255166664 has 16 divisors (see below), whose sum is σ = 478633200. Its totient is φ = 127531152.

The previous prime is 255166661. The next prime is 255166693. The reversal of 255166664 is 466661552.

It is a super-2 number, since 2×255166664² = 130220052833777792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255166661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21179 + ... + 30965.

It is an arithmetic number, because the mean of its divisors is an integer number (29914575).

Almost surely, 2^255166664 is an apocalyptic number.

It is an amenable number.

255166664 is a deficient number, since it is larger than the sum of its proper divisors (223466536).

255166664 is a wasteful number, since it uses less digits than its factorization.

255166664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052 (or 13048 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 255166664 is about 15973.9370225377. The cubic root of 255166664 is about 634.2706934848.

The spelling of 255166664 in words is "two hundred fifty-five million, one hundred sixty-six thousand, six hundred sixty-four".