12056631166 has 16 divisors (see below), whose sum is σ = 19766471040. Its totient is φ = 5490685440.

The previous prime is 12056631157. The next prime is 12056631221. The reversal of 12056631166 is 66113665021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5718411 + ... + 5720518.

It is an arithmetic number, because the mean of its divisors is an integer number (1235404440).

Almost surely, 2^12056631166 is an apocalyptic number.

12056631166 is a deficient number, since it is larger than the sum of its proper divisors (7709839874).

12056631166 is a wasteful number, since it uses less digits than its factorization.

12056631166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438979.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 12056631166 in words is "twelve billion, fifty-six million, six hundred thirty-one thousand, one hundred sixty-six".