255588461668 has 6 divisors (see below), whose sum is σ = 447279807926. Its totient is φ = 127794230832.

The previous prime is 255588461663. The next prime is 255588461677. The reversal of 255588461668 is 866164885552.

It can be written as a sum of positive squares in only one way, i.e., 252846054244 + 2742407424 = 502838^2 + 52368^2 .

It is not an unprimeable number, because it can be changed into a prime (255588461663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31948557705 + ... + 31948557712.

Almost surely, 2^255588461668 is an apocalyptic number.

It is an amenable number.

255588461668 is a deficient number, since it is larger than the sum of its proper divisors (191691346258).

255588461668 is a wasteful number, since it uses less digits than its factorization.

255588461668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63897115421 (or 63897115419 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 64.

The spelling of 255588461668 in words is "two hundred fifty-five billion, five hundred eighty-eight million, four hundred sixty-one thousand, six hundred sixty-eight".