165714165 has 12 divisors (see below), whose sum is σ = 287237964. Its totient is φ = 88380864.

The previous prime is 165714163. The next prime is 165714187. The reversal of 165714165 is 561417561.

It is a happy number.

165714165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59582961 + 106131204 = 7719^2 + 10302^2 .

It is not a de Polignac number, because 165714165 - 2¹ = 165714163 is a prime.

It is a super-2 number, since 2×165714165² = 54922368963294450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165714163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1841224 + ... + 1841313.

It is an arithmetic number, because the mean of its divisors is an integer number (23936497).

Almost surely, 2^165714165 is an apocalyptic number.

165714165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165714165 is a deficient number, since it is larger than the sum of its proper divisors (121523799).

165714165 is a wasteful number, since it uses less digits than its factorization.

165714165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682548 (or 3682545 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 165714165 is about 12873.0013982754. The cubic root of 165714165 is about 549.2708409116.

Subtracting from 165714165 its sum of digits (36), we obtain a square (165714129 = 12873²).

It can be divided in two parts, 16571 and 4165, that added together give a 4-th power (20736 = 12⁴).

The spelling of 165714165 in words is "one hundred sixty-five million, seven hundred fourteen thousand, one hundred sixty-five".