115866366 has 32 divisors (see below), whose sum is σ = 288914688. Its totient is φ = 30095040.

The previous prime is 115866349. The next prime is 115866371. The reversal of 115866366 is 663668511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124935 + ... + 125858.

It is an arithmetic number, because the mean of its divisors is an integer number (9028584).

Almost surely, 2^115866366 is an apocalyptic number.

115866366 is an abundant number, since it is smaller than the sum of its proper divisors (173048322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115866366 is a wasteful number, since it uses less digits than its factorization.

115866366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250816.

The product of its digits is 155520, while the sum is 42.

The square root of 115866366 is about 10764.1240238117. The cubic root of 115866366 is about 487.5125445819.

The spelling of 115866366 in words is "one hundred fifteen million, eight hundred sixty-six thousand, three hundred sixty-six".