6564158332 has 24 divisors (see below), whose sum is σ = 11835558000. Its totient is φ = 3183962496.

The previous prime is 6564158317. The next prime is 6564158353. The reversal of 6564158332 is 2338514656.

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, 155082 + ... + 192817.

It is an arithmetic number, because the mean of its divisors is an integer number (493148250).

Almost surely, 2^6564158332 is an apocalyptic number.

It is an amenable number.

6564158332 is a deficient number, since it is larger than the sum of its proper divisors (5271399668).

6564158332 is a wasteful number, since it uses less digits than its factorization.

6564158332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348045 (or 348043 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 6564158332 is about 81019.4935308781. The cubic root of 6564158332 is about 1872.3757855764.

The spelling of 6564158332 in words is "six billion, five hundred sixty-four million, one hundred fifty-eight thousand, three hundred thirty-two".