656652026660 has 48 divisors (see below), whose sum is σ = 1576677747456. Its totient is φ = 225035997312.

The previous prime is 656652026633. The next prime is 656652026663. The reversal of 656652026660 is 66620256656.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 656652026599 and 656652026608.

It is not an unprimeable number, because it can be changed into a prime (656652026663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749912 + ... + 1369551.

It is an arithmetic number, because the mean of its divisors is an integer number (32847453072).

Almost surely, 2^656652026660 is an apocalyptic number.

It is an amenable number.

656652026660 is an abundant number, since it is smaller than the sum of its proper divisors (920025720796).

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

656652026660 is a wasteful number, since it uses less digits than its factorization.

656652026660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121692 (or 2121690 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 656652026660 in words is "six hundred fifty-six billion, six hundred fifty-two million, twenty-six thousand, six hundred sixty".