156161165 has 8 divisors (see below), whose sum is σ = 191751648. Its totient is φ = 122023440.

The previous prime is 156161153. The next prime is 156161177. The reversal of 156161165 is 561161651.

156161165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156161153) and next prime (156161177).

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

It is not a de Polignac number, because 156161165 - 2⁶ = 156161101 is a prime.

It is a Duffinian number.

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, 362951 + ... + 363380.

It is an arithmetic number, because the mean of its divisors is an integer number (23968956).

Almost surely, 2^156161165 is an apocalyptic number.

It is an amenable number.

156161165 is a deficient number, since it is larger than the sum of its proper divisors (35590483).

156161165 is an equidigital number, since it uses as much as digits as its factorization.

156161165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726379.

The product of its digits is 5400, while the sum is 32.

The square root of 156161165 is about 12496.4460947903. The cubic root of 156161165 is about 538.5065789143.

It can be divided in two parts, 1561 and 61165, that added together give a palindrome (62726).

The spelling of 156161165 in words is "one hundred fifty-six million, one hundred sixty-one thousand, one hundred sixty-five".