116643 has 8 divisors (see below), whose sum is σ = 158400. Its totient is φ = 76328.

The previous prime is 116639. The next prime is 116657. The reversal of 116643 is 346611.

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

It is a cyclic number.

It is not a de Polignac number, because 116643 - 2² = 116639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116663) 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, 153 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2¹¹⁶⁶⁴³ is an apocalyptic number.

116643 is a deficient number, since it is larger than the sum of its proper divisors (41757).

116643 is an equidigital number, since it uses as much as digits as its factorization.

116643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 432, while the sum is 21.

The square root of 116643 is about 341.5303793223. The cubic root of 116643 is about 48.8599359867.

The spelling of 116643 in words is "one hundred sixteen thousand, six hundred forty-three".