656115665150 has 96 divisors (see below), whose sum is σ = 1389591203328. Its totient is φ = 228150172800.

The previous prime is 656115665123. The next prime is 656115665201. The reversal of 656115665150 is 51566511656.

It is a junction number, because it is equal to n+sod(n) for n = 656115665095 and 656115665104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79399919 + ... + 79408181.

It is an arithmetic number, because the mean of its divisors is an integer number (14474908368).

Almost surely, 2^656115665150 is an apocalyptic number.

656115665150 is an abundant number, since it is smaller than the sum of its proper divisors (733475538178).

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

656115665150 is a wasteful number, since it uses less digits than its factorization.

656115665150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586 (or 14581 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 656115665150 in words is "six hundred fifty-six billion, one hundred fifteen million, six hundred sixty-five thousand, one hundred fifty".