156116106665 has 8 divisors (see below), whose sum is σ = 188320163328. Its totient is φ = 124238995120.

The previous prime is 156116106661. The next prime is 156116106701. The reversal of 156116106665 is 566601611651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156116106665 - 2² = 156116106661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156116106661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81735227 + ... + 81737136.

It is an arithmetic number, because the mean of its divisors is an integer number (23540020416).

Almost surely, 2^156116106665 is an apocalyptic number.

It is an amenable number.

156116106665 is a deficient number, since it is larger than the sum of its proper divisors (32204056663).

156116106665 is a wasteful number, since it uses less digits than its factorization.

156116106665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163472559.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 156116106665 in words is "one hundred fifty-six billion, one hundred sixteen million, one hundred six thousand, six hundred sixty-five".