656352560650 has 12 divisors (see below), whose sum is σ = 1220815762902. Its totient is φ = 262541024240.

The previous prime is 656352560641. The next prime is 656352560741. The reversal of 656352560650 is 56065253656.

It can be written as a sum of positive squares in 3 ways, for example, as 385341736081 + 271010824569 = 620759^2 + 520587^2 .

It is a junction number, because it is equal to n+sod(n) for n = 656352560594 and 656352560603.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6563525557 + ... + 6563525656.

Almost surely, 2^656352560650 is an apocalyptic number.

656352560650 is a deficient number, since it is larger than the sum of its proper divisors (564463202252).

656352560650 is a wasteful number, since it uses less digits than its factorization.

656352560650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127051225 (or 13127051220 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 656352560650 in words is "six hundred fifty-six billion, three hundred fifty-two million, five hundred sixty thousand, six hundred fifty".