268116774484456 has 32 divisors (see below), whose sum is σ = 518963948916480. Its totient is φ = 129726859046400.

The previous prime is 268116774484411. The next prime is 268116774484469. The reversal of 268116774484456 is 654484477611862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24868521 + ... + 33980536.

It is an arithmetic number, because the mean of its divisors is an integer number (16217623403640).

Almost surely, 2^{268116774484456} is an apocalyptic number.

It is an amenable number.

268116774484456 is a deficient number, since it is larger than the sum of its proper divisors (250847174432024).

268116774484456 is a wasteful number, since it uses less digits than its factorization.

268116774484456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58867465 (or 58867461 counting only the distinct ones).

The product of its digits is 1734082560, while the sum is 73.

The spelling of 268116774484456 in words is "two hundred sixty-eight trillion, one hundred sixteen billion, seven hundred seventy-four million, four hundred eighty-four thousand, four hundred fifty-six".