656655711052 has 48 divisors (see below), whose sum is σ = 1299706168320. Its totient is φ = 287589988800.

The previous prime is 656655711011. The next prime is 656655711079. The reversal of 656655711052 is 250117556656.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 656655710987 and 656655711005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738778 + ... + 1363489.

It is an arithmetic number, because the mean of its divisors is an integer number (27077211840).

Almost surely, 2^656655711052 is an apocalyptic number.

656655711052 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

656655711052 is a deficient number, since it is larger than the sum of its proper divisors (643050457268).

656655711052 is a wasteful number, since it uses less digits than its factorization.

656655711052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102542 (or 2102540 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 656655711052 in words is "six hundred fifty-six billion, six hundred fifty-five million, seven hundred eleven thousand, fifty-two".