115279166 has 4 divisors (see below), whose sum is σ = 172918752. Its totient is φ = 57639582.

The previous prime is 115279133. The next prime is 115279183. The reversal of 115279166 is 661972511.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×115279166² = 26578572227311112, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 28819790 + ... + 28819793.

It is an arithmetic number, because the mean of its divisors is an integer number (43229688).

Almost surely, 2^115279166 is an apocalyptic number.

115279166 is a deficient number, since it is larger than the sum of its proper divisors (57639586).

115279166 is an equidigital number, since it uses as much as digits as its factorization.

115279166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57639585.

The product of its digits is 22680, while the sum is 38.

The square root of 115279166 is about 10736.8135869074. The cubic root of 115279166 is about 486.6875932913.

The spelling of 115279166 in words is "one hundred fifteen million, two hundred seventy-nine thousand, one hundred sixty-six".