265162164 has 24 divisors (see below), whose sum is σ = 621492480. Its totient is φ = 87990144.

The previous prime is 265162159. The next prime is 265162199. The reversal of 265162164 is 461261562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46869 + ... + 52220.

It is an arithmetic number, because the mean of its divisors is an integer number (25895520).

Almost surely, 2^265162164 is an apocalyptic number.

It is an amenable number.

265162164 is an abundant number, since it is smaller than the sum of its proper divisors (356330316).

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

265162164 is a wasteful number, since it uses less digits than its factorization.

265162164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99319 (or 99317 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 265162164 is about 16283.8006620076. The cubic root of 265162164 is about 642.4468216420.

It can be divided in two parts, 26516 and 2164, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 265162164 in words is "two hundred sixty-five million, one hundred sixty-two thousand, one hundred sixty-four".