268645916 has 24 divisors (see below), whose sum is σ = 586137216. Its totient is φ = 104667120.

The previous prime is 268645901. The next prime is 268645919. The reversal of 268645916 is 619546862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268645919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435806 + ... + 436421.

It is an arithmetic number, because the mean of its divisors is an integer number (24422384).

Almost surely, 2^268645916 is an apocalyptic number.

It is an amenable number.

268645916 is an abundant number, since it is smaller than the sum of its proper divisors (317491300).

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

268645916 is a wasteful number, since it uses less digits than its factorization.

268645916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872249 (or 872247 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 268645916 is about 16390.4214710910. The cubic root of 268645916 is about 645.2481195919.

The spelling of 268645916 in words is "two hundred sixty-eight million, six hundred forty-five thousand, nine hundred sixteen".