111660160656 has 40 divisors (see below), whose sum is σ = 314678636064. Its totient is φ = 33836412160.

The previous prime is 111660160637. The next prime is 111660160727. The reversal of 111660160656 is 656061066111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105738261 + ... + 105739316.

Almost surely, 2^111660160656 is an apocalyptic number.

111660160656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111660160656 is an abundant number, since it is smaller than the sum of its proper divisors (203018475408).

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

111660160656 is a wasteful number, since it uses less digits than its factorization.

111660160656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211477599 (or 211477593 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 111660160656 in words is "one hundred eleven billion, six hundred sixty million, one hundred sixty thousand, six hundred fifty-six".