656322402245 has 16 divisors (see below), whose sum is σ = 815115681792. Its totient is φ = 506793838080.

The previous prime is 656322402187. The next prime is 656322402259. The reversal of 656322402245 is 542204223656.

It is not a de Polignac number, because 656322402245 - 2³⁰ = 655248660421 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5468492 + ... + 5587221.

It is an arithmetic number, because the mean of its divisors is an integer number (50944730112).

Almost surely, 2^656322402245 is an apocalyptic number.

It is an amenable number.

656322402245 is a deficient number, since it is larger than the sum of its proper divisors (158793279547).

656322402245 is a wasteful number, since it uses less digits than its factorization.

656322402245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056132.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 656322402245 in words is "six hundred fifty-six billion, three hundred twenty-two million, four hundred two thousand, two hundred forty-five".