268557675476 has 6 divisors (see below), whose sum is σ = 469975932090. Its totient is φ = 134278837736.

The previous prime is 268557675469. The next prime is 268557675497. The reversal of 268557675476 is 674576755862.

It can be written as a sum of positive squares in only one way, i.e., 162199507600 + 106358167876 = 402740^2 + 326126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33569709431 + ... + 33569709438.

It is an arithmetic number, because the mean of its divisors is an integer number (78329322015).

Almost surely, 2^268557675476 is an apocalyptic number.

It is an amenable number.

268557675476 is a deficient number, since it is larger than the sum of its proper divisors (201418256614).

268557675476 is a wasteful number, since it uses less digits than its factorization.

268557675476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67139418873 (or 67139418871 counting only the distinct ones).

The product of its digits is 592704000, while the sum is 68.

The spelling of 268557675476 in words is "two hundred sixty-eight billion, five hundred fifty-seven million, six hundred seventy-five thousand, four hundred seventy-six".