264688266 has 16 divisors (see below), whose sum is σ = 560516544. Its totient is φ = 83039424.

The previous prime is 264688253. The next prime is 264688271. The reversal of 264688266 is 662886462.

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, 1297390 + ... + 1297593.

It is an arithmetic number, because the mean of its divisors is an integer number (35032284).

Almost surely, 2^264688266 is an apocalyptic number.

264688266 is an abundant number, since it is smaller than the sum of its proper divisors (295828278).

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

264688266 is a wasteful number, since it uses less digits than its factorization.

264688266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595005.

The product of its digits is 1327104, while the sum is 48.

The square root of 264688266 is about 16269.2429448945. The cubic root of 264688266 is about 642.0638662796.

The spelling of 264688266 in words is "two hundred sixty-four million, six hundred eighty-eight thousand, two hundred sixty-six".