268663102872 has 32 divisors (see below), whose sum is σ = 671671656000. Its totient is φ = 89552514464.

The previous prime is 268663102853. The next prime is 268663102889. The reversal of 268663102872 is 278201366862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567303 + ... + 1730249.

It is an arithmetic number, because the mean of its divisors is an integer number (20989739250).

Almost surely, 2^268663102872 is an apocalyptic number.

It is an amenable number.

268663102872 is an abundant number, since it is smaller than the sum of its proper divisors (403008553128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268663102872 is a wasteful number, since it uses less digits than its factorization.

268663102872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231655 (or 231651 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 268663102872 in words is "two hundred sixty-eight billion, six hundred sixty-three million, one hundred two thousand, eight hundred seventy-two".