265164 has 24 divisors (see below), whose sum is σ = 651840. Its totient is φ = 83664.

The previous prime is 265163. The next prime is 265169. The reversal of 265164 is 461562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (27160).

2²⁶⁵¹⁶⁴ is an apocalyptic number.

It is an amenable number.

265164 is an abundant number, since it is smaller than the sum of its proper divisors (386676).

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

265164 is a wasteful number, since it uses less digits than its factorization.

265164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1187 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 265164 is about 514.9407732934. The cubic root of 265164 is about 64.2448304420.

The spelling of 265164 in words is "two hundred sixty-five thousand, one hundred sixty-four".