268557676 has 12 divisors (see below), whose sum is σ = 471025800. Its totient is φ = 133978880.

The previous prime is 268557643. The next prime is 268557677. The reversal of 268557676 is 676755862.

It is not an unprimeable number, because it can be changed into a prime (268557677) 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, 72970 + ... + 76561.

It is an arithmetic number, because the mean of its divisors is an integer number (39252150).

Almost surely, 2^268557676 is an apocalyptic number.

It is an amenable number.

268557676 is a deficient number, since it is larger than the sum of its proper divisors (202468124).

268557676 is a wasteful number, since it uses less digits than its factorization.

268557676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149984 (or 149982 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The square root of 268557676 is about 16387.7294339393. The cubic root of 268557676 is about 645.1774653395.

The spelling of 268557676 in words is "two hundred sixty-eight million, five hundred fifty-seven thousand, six hundred seventy-six".