2591164 has 12 divisors (see below), whose sum is σ = 4546584. Its totient is φ = 1292144.

The previous prime is 2591153. The next prime is 2591167. The reversal of 2591164 is 4611952.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (378882).

2^2591164 is an apocalyptic number.

It is an amenable number.

2591164 is a deficient number, since it is larger than the sum of its proper divisors (1955420).

2591164 is a wasteful number, since it uses less digits than its factorization.

2591164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724 (or 1722 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 2591164 is about 1609.7092905242. The cubic root of 2591164 is about 137.3509392914.

It can be divided in two parts, 259 and 1164, that multiplied together give a triangular number (301476 = T₇₇₆).

The spelling of 2591164 in words is "two million, five hundred ninety-one thousand, one hundred sixty-four".