118195868 has 12 divisors (see below), whose sum is σ = 236391792. Its totient is φ = 50655360.

The previous prime is 118195859. The next prime is 118195877. The reversal of 118195868 is 868591811.

It is an interprime number because it is at equal distance from previous prime (118195859) and next prime (118195877).

118195868 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110613 + ... + 2110668.

It is an arithmetic number, because the mean of its divisors is an integer number (19699316).

Almost surely, 2^118195868 is an apocalyptic number.

It is an amenable number.

118195868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118195868 is a wasteful number, since it uses less digits than its factorization.

118195868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221292 (or 4221290 counting only the distinct ones).

The product of its digits is 138240, while the sum is 47.

The square root of 118195868 is about 10871.7923085386. The cubic root of 118195868 is about 490.7580492096.

The spelling of 118195868 in words is "one hundred eighteen million, one hundred ninety-five thousand, eight hundred sixty-eight".