dpkg -l | grep -i nvidia
ii  bbswitch-dkms                               0.8-3ubuntu1                                        amd64        Interface for toggling the power on NVIDIA Optimus video cards
ii  libcuda1-364                                364.15-0ubuntu1~gpu16.04.3                          amd64        NVIDIA CUDA runtime library
rc  nvidia-304-updates                          304.131-0ubuntu3                                    amd64        NVIDIA legacy binary driver - version 304.131
rc  nvidia-opencl-icd-304-updates               304.131-0ubuntu3                                    amd64        NVIDIA OpenCL ICD
rc  nvidia-opencl-icd-361                       361.42-0ubuntu2                                     amd64        NVIDIA OpenCL ICD
ii  nvidia-opencl-icd-364                       364.15-0ubuntu1~gpu16.04.3                          amd64        NVIDIA OpenCL ICD
ii  nvidia-settings                             364.15-0ubuntu0~gpu16.04.2                          amd64        Tool for configuring the NVIDIA graphics driver