165164371 has 4 divisors (see below), whose sum is σ = 165292432. Its totient is φ = 165036312.

The previous prime is 165164369. The next prime is 165164381. The reversal of 165164371 is 173461561.

165164371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165164371 - 2¹ = 165164369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165164341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62076 + ... + 64681.

It is an arithmetic number, because the mean of its divisors is an integer number (41323108).

Almost surely, 2^165164371 is an apocalyptic number.

165164371 is a deficient number, since it is larger than the sum of its proper divisors (128061).

165164371 is a wasteful number, since it uses less digits than its factorization.

165164371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128060.

The product of its digits is 15120, while the sum is 34.

The square root of 165164371 is about 12851.6291185203. The cubic root of 165164371 is about 548.6627247250.

The spelling of 165164371 in words is "one hundred sixty-five million, one hundred sixty-four thousand, three hundred seventy-one".