655455424554556 has 18 divisors (see below), whose sum is σ = 1210595302833000. Its totient is φ = 310478885314632.

The previous prime is 655455424554547. The next prime is 655455424554589.

655455424554556 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 5 ways as a sum of consecutive naturals, for example, 226958248056 + ... + 226958250943.

Almost surely, 2^{655455424554556} is an apocalyptic number.

It is an amenable number.

655455424554556 is a deficient number, since it is larger than the sum of its proper divisors (555139878278444).

655455424554556 is a wasteful number, since it uses less digits than its factorization.

655455424554556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453916499041 (or 453916499020 counting only the distinct ones).

The product of its digits is 7200000000, while the sum is 70.

The spelling of 655455424554556 in words is "six hundred fifty-five trillion, four hundred fifty-five billion, four hundred twenty-four million, five hundred fifty-four thousand, five hundred fifty-six".