118266899 has 16 divisors (see below), whose sum is σ = 124776960. Its totient is φ = 111978720.

The previous prime is 118266893. The next prime is 118266937. The reversal of 118266899 is 998662811.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118266899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118266893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280709 + ... + 281129.

It is an arithmetic number, because the mean of its divisors is an integer number (7798560).

Almost surely, 2^118266899 is an apocalyptic number.

118266899 is a deficient number, since it is larger than the sum of its proper divisors (6510061).

118266899 is a wasteful number, since it uses less digits than its factorization.

118266899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its digits is 373248, while the sum is 50.

The square root of 118266899 is about 10875.0585745549. The cubic root of 118266899 is about 490.8563381908.

The spelling of 118266899 in words is "one hundred eighteen million, two hundred sixty-six thousand, eight hundred ninety-nine".