565164 has 24 divisors (see below), whose sum is σ = 1465520. Its totient is φ = 188352.

The previous prime is 565163. The next prime is 565171. The reversal of 565164 is 461565.

It is a happy number.

565164 is a `hidden beast` number, since 5 + 651 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565164.

It is not an unprimeable number, because it can be changed into a prime (565163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509 + ... + 2724.

2⁵⁶⁵¹⁶⁴ is an apocalyptic number.

565164 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

565164 is an abundant number, since it is smaller than the sum of its proper divisors (900356).

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

565164 is a wasteful number, since it uses less digits than its factorization.

565164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246 (or 5238 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 565164 is about 751.7739021807. The cubic root of 565164 is about 82.6782920984.

It can be divided in two parts, 565 and 164, that added together give a 6-th power (729 = 3⁶).

The spelling of 565164 in words is "five hundred sixty-five thousand, one hundred sixty-four".