6531164 has 12 divisors (see below), whose sum is σ = 11586624. Its totient is φ = 3220704.

The previous prime is 6531139. The next prime is 6531181. The reversal of 6531164 is 4611356.

It is a super-2 number, since 2×6531164² = 85312206389792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10892 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (965552).

Almost surely, 2^6531164 is an apocalyptic number.

It is an amenable number.

6531164 is a deficient number, since it is larger than the sum of its proper divisors (5055460).

6531164 is a wasteful number, since it uses less digits than its factorization.

6531164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22444 (or 22442 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 6531164 is about 2555.6142118872. The cubic root of 6531164 is about 186.9233388000.

The spelling of 6531164 in words is "six million, five hundred thirty-one thousand, one hundred sixty-four".