266642264 has 16 divisors (see below), whose sum is σ = 571376400. Its totient is φ = 114275232.

The previous prime is 266642251. The next prime is 266642329. The reversal of 266642264 is 462246662.

It is a happy number.

266642264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380679 + ... + 2380790.

It is an arithmetic number, because the mean of its divisors is an integer number (35711025).

Almost surely, 2^266642264 is an apocalyptic number.

It is an amenable number.

266642264 is an abundant number, since it is smaller than the sum of its proper divisors (304734136).

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

266642264 is a wasteful number, since it uses less digits than its factorization.

266642264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761482 (or 4761478 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 266642264 is about 16329.1844254390. The cubic root of 266642264 is about 643.6399553751.

The spelling of 266642264 in words is "two hundred sixty-six million, six hundred forty-two thousand, two hundred sixty-four".