268685616 has 40 divisors (see below), whose sum is σ = 695302720. Its totient is φ = 89407296.

The previous prime is 268685603. The next prime is 268685653. The reversal of 268685616 is 616586862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25191 + ... + 34233.

It is an arithmetic number, because the mean of its divisors is an integer number (17382568).

Almost surely, 2^268685616 is an apocalyptic number.

It is an amenable number.

268685616 is an abundant number, since it is smaller than the sum of its proper divisors (426617104).

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

268685616 is a wasteful number, since it uses less digits than its factorization.

268685616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673 (or 9667 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 268685616 is about 16391.6324995407. The cubic root of 268685616 is about 645.2799025536.

The spelling of 268685616 in words is "two hundred sixty-eight million, six hundred eighty-five thousand, six hundred sixteen".