268616766 has 32 divisors (see below), whose sum is σ = 591465600. Its totient is φ = 80650080.

The previous prime is 268616749. The next prime is 268616791. The reversal of 268616766 is 667616862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11476 + ... + 25863.

It is an arithmetic number, because the mean of its divisors is an integer number (18483300).

Almost surely, 2^268616766 is an apocalyptic number.

268616766 is an abundant number, since it is smaller than the sum of its proper divisors (322848834).

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

268616766 is a wasteful number, since it uses less digits than its factorization.

268616766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37464.

The product of its digits is 870912, while the sum is 48.

The square root of 268616766 is about 16389.5322080894. The cubic root of 268616766 is about 645.2247807384.

The spelling of 268616766 in words is "two hundred sixty-eight million, six hundred sixteen thousand, seven hundred sixty-six".