656514046362461 has 32 divisors (see below), whose sum is σ = 790839121800960. Its totient is φ = 533057074228224.

The previous prime is 656514046362341. The next prime is 656514046362523. The reversal of 656514046362461 is 164263640415656.

It is a happy number.

It is not a de Polignac number, because 656514046362461 - 2³⁴ = 656496866493277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 656514046362461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656514046362761) 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, 434264066 + ... + 435773228.

It is an arithmetic number, because the mean of its divisors is an integer number (24713722556280).

Almost surely, 2^{656514046362461} is an apocalyptic number.

It is an amenable number.

656514046362461 is a deficient number, since it is larger than the sum of its proper divisors (134325075438499).

656514046362461 is a wasteful number, since it uses less digits than its factorization.

656514046362461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549685.

The product of its (nonzero) digits is 74649600, while the sum is 59.

The spelling of 656514046362461 in words is "six hundred fifty-six trillion, five hundred fourteen billion, forty-six million, three hundred sixty-two thousand, four hundred sixty-one".