28672485607164 has 48 divisors (see below), whose sum is σ = 76464894496256. Its totient is φ = 8191610222400.

The previous prime is 28672485607151. The next prime is 28672485607187. The reversal of 28672485607164 is 46170658427682.

It is a super-2 number, since 2×28672485607164² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28672485607095 and 28672485607104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9700207 + ... + 12306054.

Almost surely, 2^{28672485607164} is an apocalyptic number.

It is an amenable number.

28672485607164 is an abundant number, since it is smaller than the sum of its proper divisors (47792408889092).

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

28672485607164 is a wasteful number, since it uses less digits than its factorization.

28672485607164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021786 (or 22021784 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 28672485607164 in words is "twenty-eight trillion, six hundred seventy-two billion, four hundred eighty-five million, six hundred seven thousand, one hundred sixty-four".