116651 has 4 divisors (see below), whose sum is σ = 117552. Its totient is φ = 115752.

The previous prime is 116639. The next prime is 116657. The reversal of 116651 is 156611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 116651 - 2¹⁴ = 100267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (29388).

2¹¹⁶⁶⁵¹ is an apocalyptic number.

116651 is a deficient number, since it is larger than the sum of its proper divisors (901).

116651 is an equidigital number, since it uses as much as digits as its factorization.

116651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 180, while the sum is 20.

The square root of 116651 is about 341.5420911103. The cubic root of 116651 is about 48.8610529863.

It can be divided in two parts, 116 and 651, that added together give a palindrome (767).

The spelling of 116651 in words is "one hundred sixteen thousand, six hundred fifty-one".