115664818 has 16 divisors (see below), whose sum is σ = 188928000. Its totient is φ = 52898832.

The previous prime is 115664779. The next prime is 115664833. The reversal of 115664818 is 818466511.

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, 51378 + ... + 53581.

It is an arithmetic number, because the mean of its divisors is an integer number (11808000).

Almost surely, 2^115664818 is an apocalyptic number.

115664818 is a deficient number, since it is larger than the sum of its proper divisors (73263182).

115664818 is a wasteful number, since it uses less digits than its factorization.

115664818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105009.

The product of its digits is 46080, while the sum is 40.

The square root of 115664818 is about 10754.7579238214. The cubic root of 115664818 is about 487.2297066620.

It can be divided in two parts, 11566 and 4818, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 115664818 in words is "one hundred fifteen million, six hundred sixty-four thousand, eight hundred eighteen".