56610828660 has 48 divisors (see below), whose sum is σ = 163976198400. Its totient is φ = 14575661184.

The previous prime is 56610828641. The next prime is 56610828697. The reversal of 56610828660 is 6682801665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16265740 + ... + 16269219.

It is an arithmetic number, because the mean of its divisors is an integer number (3416170800).

Almost surely, 2^56610828660 is an apocalyptic number.

It is an amenable number.

56610828660 is an abundant number, since it is smaller than the sum of its proper divisors (107365369740).

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

56610828660 is a wasteful number, since it uses less digits than its factorization.

56610828660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32535000 (or 32534998 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 56610828660 in words is "fifty-six billion, six hundred ten million, eight hundred twenty-eight thousand, six hundred sixty".