Definition: In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
Input: [-16.831, 42.68, 28.009, -80, -69, 91, -64, 19.725]

[-80, -69, 91, -64]