60664400928 has 96 divisors (see below), whose sum is σ = 176986252800. Its totient is φ = 20215934208.

The previous prime is 60664400879. The next prime is 60664400959. The reversal of 60664400928 is 82900446606.

60664400928 is a `hidden beast` number, since 60 + 66 + 440 + 0 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×60664400928² (a number of 22 digits) contains 22 as substring.

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, 4234225 + ... + 4248527.

It is an arithmetic number, because the mean of its divisors is an integer number (1843606800).

Almost surely, 2^60664400928 is an apocalyptic number.

It is an amenable number.

60664400928 is an abundant number, since it is smaller than the sum of its proper divisors (116321851872).

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

60664400928 is a wasteful number, since it uses less digits than its factorization.

60664400928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19231 (or 19217 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 60664400928 in words is "sixty billion, six hundred sixty-four million, four hundred thousand, nine hundred twenty-eight".