6585665812 has 48 divisors (see below), whose sum is σ = 12779343360. Its totient is φ = 2944656000.

The previous prime is 6585665797. The next prime is 6585665813. The reversal of 6585665812 is 2185665856.

It is a self number, because there is not a number n which added to its sum of digits gives 6585665812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6585665813) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 692989 + ... + 702427.

It is an arithmetic number, because the mean of its divisors is an integer number (266236320).

Almost surely, 2^6585665812 is an apocalyptic number.

It is an amenable number.

6585665812 is a deficient number, since it is larger than the sum of its proper divisors (6193677548).

6585665812 is a wasteful number, since it uses less digits than its factorization.

6585665812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712 (or 9710 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 52.

The square root of 6585665812 is about 81152.1152650995. The cubic root of 6585665812 is about 1874.4185040757.

The spelling of 6585665812 in words is "six billion, five hundred eighty-five million, six hundred sixty-five thousand, eight hundred twelve".