165612306304361 has 16 divisors (see below), whose sum is σ = 202113858647040. Its totient is φ = 132637219727040.

The previous prime is 165612306304351. The next prime is 165612306304387. The reversal of 165612306304361 is 163403603216561.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-165612306304361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165612306304301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13158448046 + ... + 13158460631.

It is an arithmetic number, because the mean of its divisors is an integer number (12632116165440).

Almost surely, 2^{165612306304361} is an apocalyptic number.

It is an amenable number.

165612306304361 is a deficient number, since it is larger than the sum of its proper divisors (36501552342679).

165612306304361 is a wasteful number, since it uses less digits than its factorization.

165612306304361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26316908744.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 165612306304361 in words is "one hundred sixty-five trillion, six hundred twelve billion, three hundred six million, three hundred four thousand, three hundred sixty-one".