266808966 has 32 divisors (see below), whose sum is σ = 539934720. Its totient is φ = 87889536.

The previous prime is 266808929. The next prime is 266808977. The reversal of 266808966 is 669808662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256275 + ... + 257313.

It is an arithmetic number, because the mean of its divisors is an integer number (16872960).

Almost surely, 2^266808966 is an apocalyptic number.

266808966 is an abundant number, since it is smaller than the sum of its proper divisors (273125754).

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

266808966 is a wasteful number, since it uses less digits than its factorization.

266808966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 266808966 is about 16334.2880469275. The cubic root of 266808966 is about 643.7740597914.

The spelling of 266808966 in words is "two hundred sixty-six million, eight hundred eight thousand, nine hundred sixty-six".