56606661166 has 24 divisors (see below), whose sum is σ = 98820872640. Its totient is φ = 24216751680.

The previous prime is 56606661079. The next prime is 56606661173. The reversal of 56606661166 is 66116660665.

It is a congruent number.

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, 6875646 + ... + 6883873.

It is an arithmetic number, because the mean of its divisors is an integer number (4117536360).

Almost surely, 2^56606661166 is an apocalyptic number.

56606661166 is a deficient number, since it is larger than the sum of its proper divisors (42214211474).

56606661166 is a wasteful number, since it uses less digits than its factorization.

56606661166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13759560 (or 13759549 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 56606661166 in words is "fifty-six billion, six hundred six million, six hundred sixty-one thousand, one hundred sixty-six".