6565005600 has 144 divisors (see below), whose sum is σ = 22626239328. Its totient is φ = 1647677440.

The previous prime is 6565005541. The next prime is 6565005619. The reversal of 6565005600 is 65005656.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39654 + ... + 121253.

It is an arithmetic number, because the mean of its divisors is an integer number (157126662).

Almost surely, 2^6565005600 is an apocalyptic number.

6565005600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6565005600 is an abundant number, since it is smaller than the sum of its proper divisors (16061233728).

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

6565005600 is a wasteful number, since it uses less digits than its factorization.

6565005600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160947 (or 160934 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 6565005600 is about 81024.7221531799. The cubic root of 6565005600 is about 1872.4563410088.

The spelling of 6565005600 in words is "six billion, five hundred sixty-five million, five thousand, six hundred".