255618168 has 32 divisors (see below), whose sum is σ = 688203600. Its totient is φ = 78651648.

The previous prime is 255618131. The next prime is 255618169. The reversal of 255618168 is 861816552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255618169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409333 + ... + 409956.

Almost surely, 2^255618168 is an apocalyptic number.

It is an amenable number.

255618168 is an abundant number, since it is smaller than the sum of its proper divisors (432585432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255618168 is a wasteful number, since it uses less digits than its factorization.

255618168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819311 (or 819307 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 255618168 is about 15988.0632973478. The cubic root of 255618168 is about 634.6445759343.

The spelling of 255618168 in words is "two hundred fifty-five million, six hundred eighteen thousand, one hundred sixty-eight".