266117434 has 16 divisors (see below), whose sum is σ = 441966816. Its totient is φ = 119156400.

The previous prime is 266117419. The next prime is 266117447. The reversal of 266117434 is 434711662.

It is a self number, because there is not a number n which added to its sum of digits gives 266117434.

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, 88797 + ... + 91744.

It is an arithmetic number, because the mean of its divisors is an integer number (27622926).

Almost surely, 2^266117434 is an apocalyptic number.

266117434 is a deficient number, since it is larger than the sum of its proper divisors (175849382).

266117434 is a wasteful number, since it uses less digits than its factorization.

266117434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180621.

The product of its digits is 24192, while the sum is 34.

The square root of 266117434 is about 16313.1062032956. The cubic root of 266117434 is about 643.2173874169.

The spelling of 266117434 in words is "two hundred sixty-six million, one hundred seventeen thousand, four hundred thirty-four".