115666156 has 6 divisors (see below), whose sum is σ = 202415780. Its totient is φ = 57833076.

The previous prime is 115666153. The next prime is 115666169. The reversal of 115666156 is 651666511.

It is not an unprimeable number, because it can be changed into a prime (115666153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14458266 + ... + 14458273.

Almost surely, 2^115666156 is an apocalyptic number.

It is an amenable number.

115666156 is a deficient number, since it is larger than the sum of its proper divisors (86749624).

115666156 is a wasteful number, since it uses less digits than its factorization.

115666156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28916543 (or 28916541 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 115666156 is about 10754.8201286679. The cubic root of 115666156 is about 487.2315853976.

The spelling of 115666156 in words is "one hundred fifteen million, six hundred sixty-six thousand, one hundred fifty-six".