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.
[60, -55.188, 97, -69.094, -0.104, -27.596, 40, 68, -73.924, -61, -28.638]