115161166 has 12 divisors (see below), whose sum is σ = 182313072. Its totient is φ = 54549684.

The previous prime is 115161157. The next prime is 115161173. The reversal of 115161166 is 661161511.

It is a congruent number.

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, 79030 + ... + 80473.

It is an arithmetic number, because the mean of its divisors is an integer number (15192756).

Almost surely, 2^115161166 is an apocalyptic number.

115161166 is a deficient number, since it is larger than the sum of its proper divisors (67151906).

115161166 is a wasteful number, since it uses less digits than its factorization.

115161166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159543 (or 159524 counting only the distinct ones).

The product of its digits is 1080, while the sum is 28.

The square root of 115161166 is about 10731.3170673501. The cubic root of 115161166 is about 486.5214784473.

The spelling of 115161166 in words is "one hundred fifteen million, one hundred sixty-one thousand, one hundred sixty-six".