116805 has 16 divisors (see below), whose sum is σ = 201600. Its totient is φ = 57408.

The previous prime is 116803. The next prime is 116819. The reversal of 116805 is 508611.

It is not a de Polignac number, because 116805 - 2¹ = 116803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2¹¹⁶⁸⁰⁵ is an apocalyptic number.

116805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116805 is a deficient number, since it is larger than the sum of its proper divisors (84795).

116805 is a wasteful number, since it uses less digits than its factorization.

116805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 116805 is about 341.7674648061. The cubic root of 116805 is about 48.8825452819.

The spelling of 116805 in words is "one hundred sixteen thousand, eight hundred five".