264322666 has 4 divisors (see below), whose sum is σ = 396484002. Its totient is φ = 132161332.

The previous prime is 264322657. The next prime is 264322673. The reversal of 264322666 is 666223462.

264322666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202464441 + 61858225 = 14229^2 + 7865^2 .

It is a super-2 number, since 2×264322666² = 139732943522695112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66080665 + ... + 66080668.

Almost surely, 2^264322666 is an apocalyptic number.

264322666 is a deficient number, since it is larger than the sum of its proper divisors (132161336).

264322666 is a wasteful number, since it uses less digits than its factorization.

264322666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132161335.

The product of its digits is 124416, while the sum is 37.

The square root of 264322666 is about 16258.0031369169. The cubic root of 264322666 is about 641.7681137031.

The spelling of 264322666 in words is "two hundred sixty-four million, three hundred twenty-two thousand, six hundred sixty-six".