656253011320 has 32 divisors (see below), whose sum is σ = 1484064568800. Its totient is φ = 261168707968.

The previous prime is 656253011273. The next prime is 656253011347. The reversal of 656253011320 is 23110352656.

656253011320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41632540 + ... + 41648299.

It is an arithmetic number, because the mean of its divisors is an integer number (46377017775).

Almost surely, 2^656253011320 is an apocalyptic number.

It is an amenable number.

656253011320 is an abundant number, since it is smaller than the sum of its proper divisors (827811557480).

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

656253011320 is a wasteful number, since it uses less digits than its factorization.

656253011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83281047 (or 83281043 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 656253011320 its reverse (23110352656), we get a palindrome (679363363976).

The spelling of 656253011320 in words is "six hundred fifty-six billion, two hundred fifty-three million, eleven thousand, three hundred twenty".