116543 has 4 divisors (see below), whose sum is σ = 133200. Its totient is φ = 99888.

The previous prime is 116539. The next prime is 116549. The reversal of 116543 is 345611.

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 116543 - 2² = 116539 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116549) 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, 8318 + ... + 8331.

It is an arithmetic number, because the mean of its divisors is an integer number (33300).

2¹¹⁶⁵⁴³ is an apocalyptic number.

116543 is a deficient number, since it is larger than the sum of its proper divisors (16657).

116543 is an equidigital number, since it uses as much as digits as its factorization.

116543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16656.

The product of its digits is 360, while the sum is 20.

The square root of 116543 is about 341.3839480702. The cubic root of 116543 is about 48.8459691805.

The spelling of 116543 in words is "one hundred sixteen thousand, five hundred forty-three".