655745547556 has 24 divisors (see below), whose sum is σ = 1251898423776. Its totient is φ = 298061262720.

The previous prime is 655745547539. The next prime is 655745547607.

655745547556 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940695 + ... + 5071681.

It is an arithmetic number, because the mean of its divisors is an integer number (52162434324).

Almost surely, 2^655745547556 is an apocalyptic number.

It is an amenable number.

655745547556 is a deficient number, since it is larger than the sum of its proper divisors (596152876220).

655745547556 is a wasteful number, since it uses less digits than its factorization.

655745547556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244779 (or 244777 counting only the distinct ones).

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

The spelling of 655745547556 in words is "six hundred fifty-five billion, seven hundred forty-five million, five hundred forty-seven thousand, five hundred fifty-six".