118515199166 has 96 divisors (see below), whose sum is σ = 224265323520. Its totient is φ = 46694110176.

The previous prime is 118515199157. The next prime is 118515199183. The reversal of 118515199166 is 661991515811.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160372025 + ... + 160372763.

It is an arithmetic number, because the mean of its divisors is an integer number (2336097120).

Almost surely, 2^118515199166 is an apocalyptic number.

118515199166 is a deficient number, since it is larger than the sum of its proper divisors (105750124354).

118515199166 is an frugal number, since it uses more digits than its factorization.

118515199166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1128 counting only the distinct ones).

The product of its digits is 583200, while the sum is 53.

The spelling of 118515199166 in words is "one hundred eighteen billion, five hundred fifteen million, one hundred ninety-nine thousand, one hundred sixty-six".