156556666601116 has 12 divisors (see below), whose sum is σ = 275202750260032. Its totient is φ = 77927309383968.

The previous prime is 156556666601099. The next prime is 156556666601171. The reversal of 156556666601116 is 611106666655651.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87755978145 + ... + 87755979928.

Almost surely, 2^{156556666601116} is an apocalyptic number.

It is an amenable number.

156556666601116 is a deficient number, since it is larger than the sum of its proper divisors (118646083658916).

156556666601116 is a wasteful number, since it uses less digits than its factorization.

156556666601116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175511958300 (or 175511958298 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 156556666601116 in words is "one hundred fifty-six trillion, five hundred fifty-six billion, six hundred sixty-six million, six hundred one thousand, one hundred sixteen".