268116699645 has 32 divisors (see below), whose sum is σ = 492027786240. Its totient is φ = 138382810560.

The previous prime is 268116699637. The next prime is 268116699661. The reversal of 268116699645 is 546996611862.

It is not a de Polignac number, because 268116699645 - 2³ = 268116699637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32028874 + ... + 32037243.

It is an arithmetic number, because the mean of its divisors is an integer number (15375868320).

Almost surely, 2^268116699645 is an apocalyptic number.

It is an amenable number.

268116699645 is a deficient number, since it is larger than the sum of its proper divisors (223911086595).

268116699645 is a wasteful number, since it uses less digits than its factorization.

268116699645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64066162 (or 64066156 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 268116699645 in words is "two hundred sixty-eight billion, one hundred sixteen million, six hundred ninety-nine thousand, six hundred forty-five".