266479922806 has 16 divisors (see below), whose sum is σ = 403413904080. Its totient is φ = 132008784480.

The previous prime is 266479922789. The next prime is 266479922831. The reversal of 266479922806 is 608229974662.

It is a congruent number.

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, 4298925 + ... + 4360471.

It is an arithmetic number, because the mean of its divisors is an integer number (25213369005).

Almost surely, 2^266479922806 is an apocalyptic number.

266479922806 is a deficient number, since it is larger than the sum of its proper divisors (136933981274).

266479922806 is a wasteful number, since it uses less digits than its factorization.

266479922806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81519.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 266479922806 in words is "two hundred sixty-six billion, four hundred seventy-nine million, nine hundred twenty-two thousand, eight hundred six".