56656011066 has 96 divisors (see below), whose sum is σ = 120694276800. Its totient is φ = 17706796800.

The previous prime is 56656010987. The next prime is 56656011101. The reversal of 56656011066 is 66011065665.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53906241 + ... + 53907291.

It is an arithmetic number, because the mean of its divisors is an integer number (1257232050).

Almost surely, 2^56656011066 is an apocalyptic number.

56656011066 is an abundant number, since it is smaller than the sum of its proper divisors (64038265734).

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

56656011066 is a wasteful number, since it uses less digits than its factorization.

56656011066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 56656011066 in words is "fifty-six billion, six hundred fifty-six million, eleven thousand, sixty-six".