116851 has 4 divisors (see below), whose sum is σ = 133552. Its totient is φ = 100152.

The previous prime is 116849. The next prime is 116867. The reversal of 116851 is 158611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116851 - 2¹ = 116849 is a prime.

It is a Duffinian number.

116851 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (116881) 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, 8340 + ... + 8353.

It is an arithmetic number, because the mean of its divisors is an integer number (33388).

2¹¹⁶⁸⁵¹ is an apocalyptic number.

116851 is a deficient number, since it is larger than the sum of its proper divisors (16701).

116851 is an equidigital number, since it uses as much as digits as its factorization.

116851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16700.

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

The square root of 116851 is about 341.8347554009. The cubic root of 116851 is about 48.8889613941. Note that the first 3 decimals are identical.

Subtracting from 116851 its product of digits (240), we obtain a palindrome (116611).

The spelling of 116851 in words is "one hundred sixteen thousand, eight hundred fifty-one".