655456707654556 has 48 divisors (see below), whose sum is σ = 1187322844760640. Its totient is φ = 316235352151040.

The previous prime is 655456707654523. The next prime is 655456707654587.

655456707654556 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3140244276 + ... + 3140452996.

It is an arithmetic number, because the mean of its divisors is an integer number (24735892599180).

Almost surely, 2^{655456707654556} is an apocalyptic number.

It is an amenable number.

655456707654556 is a deficient number, since it is larger than the sum of its proper divisors (531866137106084).

655456707654556 is a wasteful number, since it uses less digits than its factorization.

655456707654556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225054 (or 225052 counting only the distinct ones).

The product of its (nonzero) digits is 15876000000, while the sum is 76.

The spelling of 655456707654556 in words is "six hundred fifty-five trillion, four hundred fifty-six billion, seven hundred seven million, six hundred fifty-four thousand, five hundred fifty-six".