268716155 has 8 divisors (see below), whose sum is σ = 329320512. Its totient is φ = 210398848.

The previous prime is 268716137. The next prime is 268716191. The reversal of 268716155 is 551617862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268716155 - 2²⁸ = 280699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571502 + ... + 571971.

It is an arithmetic number, because the mean of its divisors is an integer number (41165064).

Almost surely, 2^268716155 is an apocalyptic number.

268716155 is a deficient number, since it is larger than the sum of its proper divisors (60604357).

268716155 is a wasteful number, since it uses less digits than its factorization.

268716155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143525.

The product of its digits is 100800, while the sum is 41.

The square root of 268716155 is about 16392.5640154309. The cubic root of 268716155 is about 645.3043492864.

The spelling of 268716155 in words is "two hundred sixty-eight million, seven hundred sixteen thousand, one hundred fifty-five".