165114605631 has 16 divisors (see below), whose sum is σ = 237135144960. Its totient is φ = 101894004960.

The previous prime is 165114605629. The next prime is 165114605641. The reversal of 165114605631 is 136506411561.

It is not a de Polignac number, because 165114605631 - 2¹ = 165114605629 is a prime.

It is a super-2 number, since 2×165114605631² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165114605631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165114605641) 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, 38594076 + ... + 38598353.

It is an arithmetic number, because the mean of its divisors is an integer number (14820946560).

Almost surely, 2^165114605631 is an apocalyptic number.

165114605631 is a deficient number, since it is larger than the sum of its proper divisors (72020539329).

165114605631 is a wasteful number, since it uses less digits than its factorization.

165114605631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77192486.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 165114605631 in words is "one hundred sixty-five billion, one hundred fourteen million, six hundred five thousand, six hundred thirty-one".