115389166 has 16 divisors (see below), whose sum is σ = 192911760. Its totient is φ = 51442560.

The previous prime is 115389143. The next prime is 115389187. The reversal of 115389166 is 661983511.

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, 88665 + ... + 89956.

It is an arithmetic number, because the mean of its divisors is an integer number (12056985).

Almost surely, 2^115389166 is an apocalyptic number.

115389166 is a deficient number, since it is larger than the sum of its proper divisors (77522594).

115389166 is a wasteful number, since it uses less digits than its factorization.

115389166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178659.

The product of its digits is 38880, while the sum is 40.

The square root of 115389166 is about 10741.9349281217. The cubic root of 115389166 is about 486.8423440531.

The spelling of 115389166 in words is "one hundred fifteen million, three hundred eighty-nine thousand, one hundred sixty-six".