6566162625 has 48 divisors (see below), whose sum is σ = 12912681600. Its totient is φ = 3183588000.

The previous prime is 6566162563. The next prime is 6566162639. The reversal of 6566162625 is 5262616656.

It is a happy number.

6566162625 is a `hidden beast` number, since 6 + 5 + 6 + 6 + 16 + 2 + 625 = 666.

It is not a de Polignac number, because 6566162625 - 2¹¹ = 6566160577 is a prime.

It is a super-2 number, since 2×6566162625² = 86228983235893781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252925 + ... + 277674.

It is an arithmetic number, because the mean of its divisors is an integer number (269014200).

Almost surely, 2^6566162625 is an apocalyptic number.

It is an amenable number.

6566162625 is a deficient number, since it is larger than the sum of its proper divisors (6346518975).

6566162625 is a wasteful number, since it uses less digits than its factorization.

6566162625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530631 (or 530618 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 6566162625 is about 81031.8617890518. The cubic root of 6566162625 is about 1872.5663359155.

The spelling of 6566162625 in words is "six billion, five hundred sixty-six million, one hundred sixty-two thousand, six hundred twenty-five".