115666898 has 8 divisors (see below), whose sum is σ = 174001392. Its totient is φ = 57666436.

The previous prime is 115666897. The next prime is 115666909. The reversal of 115666898 is 898666511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (115666897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82640 + ... + 84027.

It is an arithmetic number, because the mean of its divisors is an integer number (21750174).

Almost surely, 2^115666898 is an apocalyptic number.

115666898 is a deficient number, since it is larger than the sum of its proper divisors (58334494).

115666898 is a wasteful number, since it uses less digits than its factorization.

115666898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167016.

The product of its digits is 622080, while the sum is 50.

The square root of 115666898 is about 10754.8546247729. The cubic root of 115666898 is about 487.2326272612.

The spelling of 115666898 in words is "one hundred fifteen million, six hundred sixty-six thousand, eight hundred ninety-eight".