268159 has 4 divisors (see below), whose sum is σ = 269560. Its totient is φ = 266760.

The previous prime is 268153. The next prime is 268171. The reversal of 268159 is 951862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268159 - 2⁹ = 267647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (67390).

2²⁶⁸¹⁵⁹ is an apocalyptic number.

268159 is a deficient number, since it is larger than the sum of its proper divisors (1401).

268159 is a wasteful number, since it uses less digits than its factorization.

268159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its digits is 4320, while the sum is 31.

The square root of 268159 is about 517.8407090989. The cubic root of 268159 is about 64.4858050208.

The spelling of 268159 in words is "two hundred sixty-eight thousand, one hundred fifty-nine".