6560556645 has 64 divisors (see below), whose sum is σ = 11204904960. Its totient is φ = 3268512000.

The previous prime is 6560556623. The next prime is 6560556671. The reversal of 6560556645 is 5466550656.

It is not a de Polignac number, because 6560556645 - 2¹² = 6560552549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6560556594 and 6560556603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6756010 + ... + 6756980.

It is an arithmetic number, because the mean of its divisors is an integer number (175076640).

Almost surely, 2^6560556645 is an apocalyptic number.

It is an amenable number.

6560556645 is a deficient number, since it is larger than the sum of its proper divisors (4644348315).

6560556645 is a wasteful number, since it uses less digits than its factorization.

6560556645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 3240000, while the sum is 48.

The square root of 6560556645 is about 80997.2631945055. The cubic root of 6560556645 is about 1872.0332717327.

The spelling of 6560556645 in words is "six billion, five hundred sixty million, five hundred fifty-six thousand, six hundred forty-five".