268975961 has 16 divisors (see below), whose sum is σ = 286156800. Its totient is φ = 252300048.

The previous prime is 268975939. The next prime is 268975969. The reversal of 268975961 is 169579862.

It is a cyclic number.

It is not a de Polignac number, because 268975961 - 2²⁶ = 201867097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268975969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324830 + ... + 325656.

It is an arithmetic number, because the mean of its divisors is an integer number (17884800).

Almost surely, 2^268975961 is an apocalyptic number.

It is an amenable number.

268975961 is a deficient number, since it is larger than the sum of its proper divisors (17180839).

268975961 is a wasteful number, since it uses less digits than its factorization.

268975961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108.

The product of its digits is 1632960, while the sum is 53.

The square root of 268975961 is about 16400.4866086345. The cubic root of 268975961 is about 645.5122513621.

The spelling of 268975961 in words is "two hundred sixty-eight million, nine hundred seventy-five thousand, nine hundred sixty-one".