115666470 has 72 divisors (see below), whose sum is σ = 319535424. Its totient is φ = 29023488.

The previous prime is 115666459. The next prime is 115666489. The reversal of 115666470 is 74666511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23787 + ... + 28233.

It is an arithmetic number, because the mean of its divisors is an integer number (4437992).

Almost surely, 2^115666470 is an apocalyptic number.

115666470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115666470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159767712).

115666470 is an abundant number, since it is smaller than the sum of its proper divisors (203868954).

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

115666470 is a wasteful number, since it uses less digits than its factorization.

115666470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 115666470 is about 10754.8347267636. The cubic root of 115666470 is about 487.2320262946.

The spelling of 115666470 in words is "one hundred fifteen million, six hundred sixty-six thousand, four hundred seventy".