63224164728 has 48 divisors (see below), whose sum is σ = 171297659520. Its totient is φ = 21066654336.

The previous prime is 63224164727. The next prime is 63224164819. The reversal of 63224164728 is 82746142236.

It is a happy number.

63224164728 is a `hidden beast` number, since 632 + 2 + 4 + 1 + 6 + 4 + 7 + 2 + 8 = 666.

63224164728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63224164727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22825 + ... + 356327.

It is an arithmetic number, because the mean of its divisors is an integer number (3568701240).

Almost surely, 2^63224164728 is an apocalyptic number.

It is an amenable number.

63224164728 is an abundant number, since it is smaller than the sum of its proper divisors (108073494792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63224164728 is a wasteful number, since it uses less digits than its factorization.

63224164728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336148 (or 336141 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 63224164728 in words is "sixty-three billion, two hundred twenty-four million, one hundred sixty-four thousand, seven hundred twenty-eight".