6566160656 has 40 divisors (see below), whose sum is σ = 14073974208. Its totient is φ = 2942576000.

The previous prime is 6566160649. The next prime is 6566160659. The reversal of 6566160656 is 6560616656.

It is a super-2 number, since 2×6566160656² = 86228931520804700672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6566160656.

It is not an unprimeable number, because it can be changed into a prime (6566160659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250235 + ... + 275226.

Almost surely, 2^6566160656 is an apocalyptic number.

It is an amenable number.

6566160656 is an abundant number, since it is smaller than the sum of its proper divisors (7507813552).

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

6566160656 is a wasteful number, since it uses less digits than its factorization.

6566160656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525551 (or 525545 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The square root of 6566160656 is about 81031.8496395090. The cubic root of 6566160656 is about 1872.5661487396.

The spelling of 6566160656 in words is "six billion, five hundred sixty-six million, one hundred sixty thousand, six hundred fifty-six".