255566367 has 16 divisors (see below), whose sum is σ = 432705280. Its totient is φ = 146037816.

The previous prime is 255566323. The next prime is 255566383. The reversal of 255566367 is 763665552.

255566367 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 6 + 636 + 7 = 666.

It is not a de Polignac number, because 255566367 - 2⁶ = 255566303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255566867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675913 + ... + 676290.

It is an arithmetic number, because the mean of its divisors is an integer number (27044080).

Almost surely, 2^255566367 is an apocalyptic number.

255566367 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

255566367 is a deficient number, since it is larger than the sum of its proper divisors (177138913).

255566367 is a wasteful number, since it uses less digits than its factorization.

255566367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352219 (or 1352213 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The square root of 255566367 is about 15986.4432254332. The cubic root of 255566367 is about 634.6017028150.

The spelling of 255566367 in words is "two hundred fifty-five million, five hundred sixty-six thousand, three hundred sixty-seven".