165714864 has 60 divisors (see below), whose sum is σ = 497997144. Its totient is φ = 47346432.

The previous prime is 165714863. The next prime is 165714883. The reversal of 165714864 is 468417561.

It is a super-2 number, since 2×165714864² = 54922832301076992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (165714863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32877 + ... + 37580.

Almost surely, 2^165714864 is an apocalyptic number.

165714864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165714864 is an abundant number, since it is smaller than the sum of its proper divisors (332282280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165714864 is a wasteful number, since it uses less digits than its factorization.

165714864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70482 (or 70469 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 165714864 is about 12873.0285480923. The cubic root of 165714864 is about 549.2716132048.

The spelling of 165714864 in words is "one hundred sixty-five million, seven hundred fourteen thousand, eight hundred sixty-four".