118726866 has 12 divisors (see below), whose sum is σ = 257241582. Its totient is φ = 39575616.

The previous prime is 118726849. The next prime is 118726871. The reversal of 118726866 is 668627811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92563641 + 26163225 = 9621^2 + 5115^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3297951 + ... + 3297986.

Almost surely, 2^118726866 is an apocalyptic number.

118726866 is an abundant number, since it is smaller than the sum of its proper divisors (138514716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118726866 is a wasteful number, since it uses less digits than its factorization.

118726866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595945 (or 6595942 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 118726866 is about 10896.1858464327. The cubic root of 118726866 is about 491.4918658254.

The spelling of 118726866 in words is "one hundred eighteen million, seven hundred twenty-six thousand, eight hundred sixty-six".