268159905008 has 80 divisors (see below), whose sum is σ = 535642904160. Its totient is φ = 129973862400.

The previous prime is 268159904981. The next prime is 268159905031. The reversal of 268159905008 is 800509951862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88179968 + ... + 88183008.

It is an arithmetic number, because the mean of its divisors is an integer number (6695536302).

Almost surely, 2^268159905008 is an apocalyptic number.

It is an amenable number.

268159905008 is a deficient number, since it is larger than the sum of its proper divisors (267482999152).

268159905008 is a wasteful number, since it uses less digits than its factorization.

268159905008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 268159905008 in words is "two hundred sixty-eight billion, one hundred fifty-nine million, nine hundred five thousand, eight".