118336691 has 4 divisors (see below), whose sum is σ = 129094584. Its totient is φ = 107578800.

The previous prime is 118336663. The next prime is 118336697. The reversal of 118336691 is 196633811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118336691 - 2²² = 114142387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118336697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5378930 + ... + 5378951.

It is an arithmetic number, because the mean of its divisors is an integer number (32273646).

Almost surely, 2^118336691 is an apocalyptic number.

118336691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118336691 is a deficient number, since it is larger than the sum of its proper divisors (10757893).

118336691 is a wasteful number, since it uses less digits than its factorization.

118336691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757892.

The product of its digits is 23328, while the sum is 38.

The square root of 118336691 is about 10878.2669115995. The cubic root of 118336691 is about 490.9528743850.

The spelling of 118336691 in words is "one hundred eighteen million, three hundred thirty-six thousand, six hundred ninety-one".