268511968 has 12 divisors (see below), whose sum is σ = 528633000. Its totient is φ = 134255968.

The previous prime is 268511951. The next prime is 268511977. The reversal of 268511968 is 869115862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4195468 + ... + 4195531.

It is an arithmetic number, because the mean of its divisors is an integer number (44052750).

Almost surely, 2^268511968 is an apocalyptic number.

It is an amenable number.

268511968 is a deficient number, since it is larger than the sum of its proper divisors (260121032).

268511968 is an equidigital number, since it uses as much as digits as its factorization.

268511968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391009 (or 8391001 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 268511968 is about 16386.3347945781. The cubic root of 268511968 is about 645.1408606081.

The spelling of 268511968 in words is "two hundred sixty-eight million, five hundred eleven thousand, nine hundred sixty-eight".