656204510045 has 32 divisors (see below), whose sum is σ = 902559594240. Its totient is φ = 448658864640.

The previous prime is 656204510011. The next prime is 656204510047. The reversal of 656204510045 is 540015402656.

656204510045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-656204510045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 656204509990 and 656204510008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656204510047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34503959 + ... + 34522971.

It is an arithmetic number, because the mean of its divisors is an integer number (28204987320).

Almost surely, 2^656204510045 is an apocalyptic number.

It is an amenable number.

656204510045 is a deficient number, since it is larger than the sum of its proper divisors (246355084195).

656204510045 is a wasteful number, since it uses less digits than its factorization.

656204510045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 656204510045 in words is "six hundred fifty-six billion, two hundred four million, five hundred ten thousand, forty-five".