268568 has 16 divisors (see below), whose sum is σ = 513000. Its totient is φ = 131776.

The previous prime is 268547. The next prime is 268573. The reversal of 268568 is 865862.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

268568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 756.

2²⁶⁸⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

268568 is a deficient number, since it is larger than the sum of its proper divisors (244432).

268568 is a wasteful number, since it uses less digits than its factorization.

268568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 630 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 268568 is about 518.2354677171. The cubic root of 268568 is about 64.5185732622.

The spelling of 268568 in words is "two hundred sixty-eight thousand, five hundred sixty-eight".