268155117 has 12 divisors (see below), whose sum is σ = 401681280. Its totient is φ = 178769916.

The previous prime is 268155109. The next prime is 268155149. The reversal of 268155117 is 711551862.

268155117 is a `hidden beast` number, since 26 + 81 + 551 + 1 + 7 = 666.

It is not a de Polignac number, because 268155117 - 2³ = 268155109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268155187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 551517 + ... + 552002.

It is an arithmetic number, because the mean of its divisors is an integer number (33473440).

Almost surely, 2^268155117 is an apocalyptic number.

268155117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

268155117 is a deficient number, since it is larger than the sum of its proper divisors (133526163).

268155117 is an equidigital number, since it uses as much as digits as its factorization.

268155117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103534 (or 1103522 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 268155117 is about 16375.4424978380. The cubic root of 268155117 is about 644.8549376317.

The spelling of 268155117 in words is "two hundred sixty-eight million, one hundred fifty-five thousand, one hundred seventeen".