556506600064 has 32 divisors (see below), whose sum is σ = 1167016312800. Its totient is φ = 263608388352.

The previous prime is 556506600049. The next prime is 556506600071. The reversal of 556506600064 is 460006605655.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114410932 + ... + 114415795.

It is an arithmetic number, because the mean of its divisors is an integer number (36469259775).

Almost surely, 2^556506600064 is an apocalyptic number.

It is an amenable number.

556506600064 is an abundant number, since it is smaller than the sum of its proper divisors (610509712736).

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

556506600064 is a wasteful number, since it uses less digits than its factorization.

556506600064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228826760 (or 228826748 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 556506600064 in words is "five hundred fifty-six billion, five hundred six million, six hundred thousand, sixty-four".