656212353116 has 24 divisors (see below), whose sum is σ = 1154831981184. Its totient is φ = 326263703040.

The previous prime is 656212353103. The next prime is 656212353143. The reversal of 656212353116 is 611353212656.

It is a super-2 number, since 2×656212353116² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 368336 + ... + 1203368.

It is an arithmetic number, because the mean of its divisors is an integer number (48117999216).

Almost surely, 2^656212353116 is an apocalyptic number.

It is an amenable number.

656212353116 is a deficient number, since it is larger than the sum of its proper divisors (498619628068).

656212353116 is a wasteful number, since it uses less digits than its factorization.

656212353116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836141 (or 836139 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The spelling of 656212353116 in words is "six hundred fifty-six billion, two hundred twelve million, three hundred fifty-three thousand, one hundred sixteen".