268159905009 has 24 divisors (see below), whose sum is σ = 407794857600. Its totient is φ = 169336591200.

The previous prime is 268159904981. The next prime is 268159905031. The reversal of 268159905009 is 900509951862.

268159905009 is a `hidden beast` number, since 2 + 6 + 81 + 59 + 9 + 0 + 500 + 9 = 666.

It is not a de Polignac number, because 268159905009 - 2¹¹ = 268159902961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268159903009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953032 + ... + 1201910.

It is an arithmetic number, because the mean of its divisors is an integer number (16991452400).

Almost surely, 2^268159905009 is an apocalyptic number.

It is an amenable number.

268159905009 is a deficient number, since it is larger than the sum of its proper divisors (139634952591).

268159905009 is a wasteful number, since it uses less digits than its factorization.

268159905009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255205 (or 255202 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 268159905009 in words is "two hundred sixty-eight billion, one hundred fifty-nine million, nine hundred five thousand, nine".