255359166886 has 4 divisors (see below), whose sum is σ = 383038750332. Its totient is φ = 127679583442.

The previous prime is 255359166863. The next prime is 255359166919. The reversal of 255359166886 is 688661953552.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×255359166886² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63839791720 + ... + 63839791723.

It is an arithmetic number, because the mean of its divisors is an integer number (95759687583).

Almost surely, 2^255359166886 is an apocalyptic number.

255359166886 is a deficient number, since it is larger than the sum of its proper divisors (127679583446).

255359166886 is a wasteful number, since it uses less digits than its factorization.

255359166886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127679583445.

The product of its digits is 93312000, while the sum is 64.

The spelling of 255359166886 in words is "two hundred fifty-five billion, three hundred fifty-nine million, one hundred sixty-six thousand, eight hundred eighty-six".