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.
[-26.854, 6.543, 73, -25.873, 16.523, 4.615, 58, 99, 6, -45, 3]