655457754556 has 18 divisors (see below), whose sum is σ = 1260808202360. Its totient is φ = 297935342760.

The previous prime is 655457754529. The next prime is 655457754557.

655457754556 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655457754557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 677125296 + ... + 677126263.

Almost surely, 2^655457754556 is an apocalyptic number.

It is an amenable number.

655457754556 is a deficient number, since it is larger than the sum of its proper divisors (605350447804).

655457754556 is a wasteful number, since it uses less digits than its factorization.

655457754556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354251585 (or 1354251572 counting only the distinct ones).

The product of its digits is 441000000, while the sum is 64.

The spelling of 655457754556 in words is "six hundred fifty-five billion, four hundred fifty-seven million, seven hundred fifty-four thousand, five hundred fifty-six".