268357965156 has 72 divisors (see below), whose sum is σ = 687406467384. Its totient is φ = 88264358400.

The previous prime is 268357965119. The next prime is 268357965233. The reversal of 268357965156 is 651569753862.

It is a happy number.

268357965156 is a `hidden beast` number, since 2 + 6 + 8 + 3 + 579 + 6 + 5 + 1 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 222632985600 + 45724979556 = 471840^2 + 213834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 268357965093 and 268357965102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939400 + ... + 1191296.

It is an arithmetic number, because the mean of its divisors is an integer number (9547312047).

Almost surely, 2^268357965156 is an apocalyptic number.

It is an amenable number.

268357965156 is an abundant number, since it is smaller than the sum of its proper divisors (419048502228).

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

268357965156 is a wasteful number, since it uses less digits than its factorization.

268357965156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252301 (or 252296 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 268357965156 in words is "two hundred sixty-eight billion, three hundred fifty-seven million, nine hundred sixty-five thousand, one hundred fifty-six".