656061055705 has 16 divisors (see below), whose sum is σ = 875048163264. Its totient is φ = 468132758080.

The previous prime is 656061055681. The next prime is 656061055709. The reversal of 656061055705 is 507550160656.

It is not a de Polignac number, because 656061055705 - 2³¹ = 653913572057 is a prime.

It is a super-2 number, since 2×656061055705² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (656061055709) 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, 112528999 + ... + 112534828.

It is an arithmetic number, because the mean of its divisors is an integer number (54690510204).

Almost surely, 2^656061055705 is an apocalyptic number.

It is an amenable number.

656061055705 is a deficient number, since it is larger than the sum of its proper divisors (218987107559).

656061055705 is a wasteful number, since it uses less digits than its factorization.

656061055705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225063896.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 656061055705 in words is "six hundred fifty-six billion, sixty-one million, fifty-five thousand, seven hundred five".