116291 has 8 divisors (see below), whose sum is σ = 136800. Its totient is φ = 96768.

The previous prime is 116279. The next prime is 116293. The reversal of 116291 is 192611.

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

It is not a de Polignac number, because 116291 - 2¹⁴ = 99907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116293) 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, 35 + ... + 483.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2¹¹⁶²⁹¹ is an apocalyptic number.

116291 is a deficient number, since it is larger than the sum of its proper divisors (20509).

116291 is an equidigital number, since it uses as much as digits as its factorization.

116291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its digits is 108, while the sum is 20.

The square root of 116291 is about 341.0146624414. The cubic root of 116291 is about 48.8107373578.

The spelling of 116291 in words is "one hundred sixteen thousand, two hundred ninety-one".