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.
[52, 60, -71.66, 88, 49.525, -28.25, -66.928, -26.181, -21.694, 65.143, 28.817]