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.
[-47, -39.497, -1, -69.597, -18, -4.885, 61, 6.427, -81, -8.514]