556463660 has 24 divisors (see below), whose sum is σ = 1171195200. Its totient is φ = 222086144.

The previous prime is 556463651. The next prime is 556463681. The reversal of 556463660 is 66364655.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22004 + ... + 39963.

It is an arithmetic number, because the mean of its divisors is an integer number (48799800).

Almost surely, 2^556463660 is an apocalyptic number.

It is an amenable number.

556463660 is an abundant number, since it is smaller than the sum of its proper divisors (614731540).

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

556463660 is a wasteful number, since it uses less digits than its factorization.

556463660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62425 (or 62423 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 556463660 is about 23589.4819782038. The cubic root of 556463660 is about 822.5183632415.

The spelling of 556463660 in words is "five hundred fifty-six million, four hundred sixty-three thousand, six hundred sixty".