116815 has 8 divisors (see below), whose sum is σ = 142848. Its totient is φ = 91680.

The previous prime is 116803. The next prime is 116819. The reversal of 116815 is 518611.

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

It is not a de Polignac number, because 116815 - 2⁷ = 116687 is a prime.

It is a Duffinian number.

116815 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (17856).

2¹¹⁶⁸¹⁵ is an apocalyptic number.

116815 is a deficient number, since it is larger than the sum of its proper divisors (26033).

116815 is an equidigital number, since it uses as much as digits as its factorization.

116815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its digits is 240, while the sum is 22.

The square root of 116815 is about 341.7820943233. The cubic root of 116815 is about 48.8839402322.

The spelling of 116815 in words is "one hundred sixteen thousand, eight hundred fifteen".