2665164 has 24 divisors (see below), whose sum is σ = 6371568. Its totient is φ = 866560.

The previous prime is 2665139. The next prime is 2665177. The reversal of 2665164 is 4615662.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

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, 2217 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (265482).

2^2665164 is an apocalyptic number.

It is an amenable number.

2665164 is an abundant number, since it is smaller than the sum of its proper divisors (3706404).

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

2665164 is a wasteful number, since it uses less digits than its factorization.

2665164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465 (or 5463 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 2665164 is about 1632.5330011978. The cubic root of 2665164 is about 138.6462027042.

The spelling of 2665164 in words is "two million, six hundred sixty-five thousand, one hundred sixty-four".