266883955 has 24 divisors (see below), whose sum is σ = 358782480. Its totient is φ = 190270080.

The previous prime is 266883941. The next prime is 266883961. The reversal of 266883955 is 559388662.

It is not a de Polignac number, because 266883955 - 2¹⁵ = 266851187 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 19060 + ... + 29950.

It is an arithmetic number, because the mean of its divisors is an integer number (14949270).

Almost surely, 2^266883955 is an apocalyptic number.

266883955 is a deficient number, since it is larger than the sum of its proper divisors (91898525).

266883955 is a wasteful number, since it uses less digits than its factorization.

266883955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951 (or 10938 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The square root of 266883955 is about 16336.5833331208. The cubic root of 266883955 is about 643.8343669237.

The spelling of 266883955 in words is "two hundred sixty-six million, eight hundred eighty-three thousand, nine hundred fifty-five".