266516132 has 12 divisors (see below), whose sum is σ = 476327040. Its totient is φ = 130422696.

The previous prime is 266516077. The next prime is 266516147. The reversal of 266516132 is 231615662.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708632 + ... + 709007.

It is an arithmetic number, because the mean of its divisors is an integer number (39693920).

Almost surely, 2^266516132 is an apocalyptic number.

It is an amenable number.

266516132 is a deficient number, since it is larger than the sum of its proper divisors (209810908).

266516132 is a wasteful number, since it uses less digits than its factorization.

266516132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417690 (or 1417688 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 266516132 is about 16325.3218038727. The cubic root of 266516132 is about 643.5384505874.

The spelling of 266516132 in words is "two hundred sixty-six million, five hundred sixteen thousand, one hundred thirty-two".