165137107765 has 32 divisors (see below), whose sum is σ = 231816119040. Its totient is φ = 110567407104.

The previous prime is 165137107757. The next prime is 165137107831. The reversal of 165137107765 is 567701731561.

165137107765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165137107765 - 2³ = 165137107757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5084257 + ... + 5116633.

It is an arithmetic number, because the mean of its divisors is an integer number (7244253720).

Almost surely, 2^165137107765 is an apocalyptic number.

It is an amenable number.

165137107765 is a deficient number, since it is larger than the sum of its proper divisors (66679011275).

165137107765 is a wasteful number, since it uses less digits than its factorization.

165137107765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35821.

The product of its (nonzero) digits is 926100, while the sum is 49.

The spelling of 165137107765 in words is "one hundred sixty-five billion, one hundred thirty-seven million, one hundred seven thousand, seven hundred sixty-five".