655417989714556 has 36 divisors (see below), whose sum is σ = 1172108936388208. Its totient is φ = 320680531597248.

The previous prime is 655417989714479. The next prime is 655417989714563.

655417989714556 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 655417989714556.

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 11 ways as a sum of consecutive naturals, for example, 44227441 + ... + 57156823.

Almost surely, 2^{655417989714556} is an apocalyptic number.

It is an amenable number.

655417989714556 is a deficient number, since it is larger than the sum of its proper divisors (516690946673652).

655417989714556 is a wasteful number, since it uses less digits than its factorization.

655417989714556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935218 (or 12935169 counting only the distinct ones).

The product of its digits is 11430720000, while the sum is 82.

The spelling of 655417989714556 in words is "six hundred fifty-five trillion, four hundred seventeen billion, nine hundred eighty-nine million, seven hundred fourteen thousand, five hundred fifty-six".