115660650 has 96 divisors (see below), whose sum is σ = 333550080. Its totient is φ = 25974720.

The previous prime is 115660637. The next prime is 115660667. The reversal of 115660650 is 56066511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61017 + ... + 62883.

It is an arithmetic number, because the mean of its divisors is an integer number (3474480).

Almost surely, 2^115660650 is an apocalyptic number.

115660650 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 115660650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166775040).

115660650 is an abundant number, since it is smaller than the sum of its proper divisors (217889430).

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

115660650 is a wasteful number, since it uses less digits than its factorization.

115660650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 115660650 is about 10754.5641473748. The cubic root of 115660650 is about 487.2238541253.

The spelling of 115660650 in words is "one hundred fifteen million, six hundred sixty thousand, six hundred fifty".