6564883136 has 56 divisors (see below), whose sum is σ = 15027469056. Its totient is φ = 2787206400.

The previous prime is 6564883133. The next prime is 6564883151. The reversal of 6564883136 is 6313884656.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (6564883133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20540 + ... + 116411.

Almost surely, 2^6564883136 is an apocalyptic number.

It is an amenable number.

6564883136 is an abundant number, since it is smaller than the sum of its proper divisors (8462585920).

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

6564883136 is a wasteful number, since it uses less digits than its factorization.

6564883136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137077 (or 137067 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The square root of 6564883136 is about 81023.9664296929. The cubic root of 6564883136 is about 1872.4446979662. Note that the first 3 decimals are identical.

The spelling of 6564883136 in words is "six billion, five hundred sixty-four million, eight hundred eighty-three thousand, one hundred thirty-six".