115994566 has 8 divisors (see below), whose sum is σ = 181556784. Its totient is φ = 55475640.

The previous prime is 115994539. The next prime is 115994569. The reversal of 115994566 is 665499511.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 2521621 = 115994566 / (1 + 1 + 5 + 9 + 9 + 4 + 5 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115994569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260765 + ... + 1260856.

It is an arithmetic number, because the mean of its divisors is an integer number (22694598).

Almost surely, 2^115994566 is an apocalyptic number.

115994566 is a deficient number, since it is larger than the sum of its proper divisors (65562218).

115994566 is a wasteful number, since it uses less digits than its factorization.

115994566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521646.

The product of its digits is 291600, while the sum is 46.

The square root of 115994566 is about 10770.0773441977. The cubic root of 115994566 is about 487.6922805826.

The spelling of 115994566 in words is "one hundred fifteen million, nine hundred ninety-four thousand, five hundred sixty-six".