6520323110656 has 36 divisors (see below), whose sum is σ = 13260745599192. Its totient is φ = 3198649066496.

The previous prime is 6520323110629. The next prime is 6520323110671. The reversal of 6520323110656 is 6560113230256.

It is a super-2 number, since 2×6520323110656² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240269566 + ... + 240296701.

It is an arithmetic number, because the mean of its divisors is an integer number (368354044422).

Almost surely, 2^{6520323110656} is an apocalyptic number.

It is an amenable number.

6520323110656 is an abundant number, since it is smaller than the sum of its proper divisors (6740422488536).

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

6520323110656 is an equidigital number, since it uses as much as digits as its factorization.

6520323110656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480566336 (or 480566322 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 6520323110656 in words is "six trillion, five hundred twenty billion, three hundred twenty-three million, one hundred ten thousand, six hundred fifty-six".