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.
[-36, 6.388, -27.358, 16.152, 0.426, -73.633, -68, 16.505, -19]