268526668 has 12 divisors (see below), whose sum is σ = 470312640. Its totient is φ = 134151632.

The previous prime is 268526659. The next prime is 268526669. The reversal of 268526668 is 866625862.

It is not an unprimeable number, because it can be changed into a prime (268526669) 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, 22396 + ... + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (39192720).

Almost surely, 2^268526668 is an apocalyptic number.

It is an amenable number.

268526668 is a deficient number, since it is larger than the sum of its proper divisors (201785972).

268526668 is a wasteful number, since it uses less digits than its factorization.

268526668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55856 (or 55854 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 268526668 is about 16386.7833329180. The cubic root of 268526668 is about 645.1526333889.

The spelling of 268526668 in words is "two hundred sixty-eight million, five hundred twenty-six thousand, six hundred sixty-eight".