116815536 has 60 divisors (see below), whose sum is σ = 329067232. Its totient is φ = 38683008.

The previous prime is 116815513. The next prime is 116815537. The reversal of 116815536 is 635518611.

116815536 is a `hidden beast` number, since 116 + 8 + 1 + 5 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 116815536.

It is not an unprimeable number, because it can be changed into a prime (116815537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20025 + ... + 25191.

Almost surely, 2^116815536 is an apocalyptic number.

116815536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116815536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164533616).

116815536 is an abundant number, since it is smaller than the sum of its proper divisors (212251696).

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

116815536 is a wasteful number, since it uses less digits than its factorization.

116815536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338 (or 5329 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 116815536 is about 10808.1236114323. The cubic root of 116815536 is about 488.8401499928.

The spelling of 116815536 in words is "one hundred sixteen million, eight hundred fifteen thousand, five hundred thirty-six".