168443 has 4 divisors (see below), whose sum is σ = 183768. Its totient is φ = 153120.

The previous prime is 168433. The next prime is 168449. The reversal of 168443 is 344861.

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

It is a de Polignac number, because none of the positive numbers 2^k-168443 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (168449) 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, 7646 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (45942).

2¹⁶⁸⁴⁴³ is an apocalyptic number.

168443 is a deficient number, since it is larger than the sum of its proper divisors (15325).

168443 is a wasteful number, since it uses less digits than its factorization.

168443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324.

The product of its digits is 2304, while the sum is 26.

The square root of 168443 is about 410.4180795238. The cubic root of 168443 is about 55.2269410952.

The spelling of 168443 in words is "one hundred sixty-eight thousand, four hundred forty-three".