656482787284656 has 40 divisors (see below), whose sum is σ = 1701438016594624. Its totient is φ = 218114802285120.

The previous prime is 656482787284613. The next prime is 656482787284679.

656482787284656 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 22274781250 + ... + 22274810721.

Almost surely, 2^{656482787284656} is an apocalyptic number.

It is an amenable number.

656482787284656 is an abundant number, since it is smaller than the sum of its proper divisors (1044955229309968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656482787284656 is a wasteful number, since it uses less digits than its factorization.

656482787284656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44549592289 (or 44549592283 counting only the distinct ones).

The product of its digits is 52022476800, while the sum is 84.

The spelling of 656482787284656 in words is "six hundred fifty-six trillion, four hundred eighty-two billion, seven hundred eighty-seven million, two hundred eighty-four thousand, six hundred fifty-six".