2605164 has 24 divisors (see below), whose sum is σ = 6343680. Its totient is φ = 830544.

The previous prime is 2605159. The next prime is 2605171. The reversal of 2605164 is 4615062.

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, 4444 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (264320).

2^2605164 is an apocalyptic number.

It is an amenable number.

2605164 is an abundant number, since it is smaller than the sum of its proper divisors (3738516).

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

2605164 is a wasteful number, since it uses less digits than its factorization.

2605164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9469 (or 9467 counting only the distinct ones).

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

The square root of 2605164 is about 1614.0520437706. The cubic root of 2605164 is about 137.5978631136.

The spelling of 2605164 in words is "two million, six hundred five thousand, one hundred sixty-four".