115931166 has 16 divisors (see below), whose sum is σ = 249698064. Its totient is φ = 35671104.

The previous prime is 115931147. The next prime is 115931197. The reversal of 115931166 is 661139511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743071 + ... + 743226.

It is an arithmetic number, because the mean of its divisors is an integer number (15606129).

Almost surely, 2^115931166 is an apocalyptic number.

115931166 is an abundant number, since it is smaller than the sum of its proper divisors (133766898).

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

115931166 is a wasteful number, since it uses less digits than its factorization.

115931166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486315.

The product of its digits is 4860, while the sum is 33.

The square root of 115931166 is about 10767.1336018459. The cubic root of 115931166 is about 487.6034105412.

The spelling of 115931166 in words is "one hundred fifteen million, nine hundred thirty-one thousand, one hundred sixty-six".