56566171616706 has 24 divisors (see below), whose sum is σ = 122596965429120. Its totient is φ = 18849709473336.

The previous prime is 56566171616699. The next prime is 56566171616729. The reversal of 56566171616706 is 60761617166565.

It is a happy number.

56566171616706 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 6 + 1 + 7 + 1 + 616 + 7 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473360730 + ... + 473480213.

It is an arithmetic number, because the mean of its divisors is an integer number (5108206892880).

Almost surely, 2^{56566171616706} is an apocalyptic number.

56566171616706 is an abundant number, since it is smaller than the sum of its proper divisors (66030793812414).

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

56566171616706 is a wasteful number, since it uses less digits than its factorization.

56566171616706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946844270 (or 946844267 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 56566171616706 in words is "fifty-six trillion, five hundred sixty-six billion, one hundred seventy-one million, six hundred sixteen thousand, seven hundred six".