156156044165 has 16 divisors (see below), whose sum is σ = 205564495680. Its totient is φ = 112933566720.

The previous prime is 156156044153. The next prime is 156156044179. The reversal of 156156044165 is 561440651651.

It is a de Polignac number, because none of the positive numbers 2^k-156156044165 is a prime.

It is a super-2 number, since 2×156156044165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7920884 + ... + 7940573.

It is an arithmetic number, because the mean of its divisors is an integer number (12847780980).

Almost surely, 2^156156044165 is an apocalyptic number.

It is an amenable number.

156156044165 is a deficient number, since it is larger than the sum of its proper divisors (49408451515).

156156044165 is a wasteful number, since it uses less digits than its factorization.

156156044165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861652.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 156156044165 in words is "one hundred fifty-six billion, one hundred fifty-six million, forty-four thousand, one hundred sixty-five".