16343 has 4 divisors (see below), whose sum is σ = 16680. Its totient is φ = 16008.

The previous prime is 16339. The next prime is 16349. The reversal of 16343 is 34361.

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 16343 - 2² = 16339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16349) 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, 80 + ... + 197.

It is an arithmetic number, because the mean of its divisors is an integer number (4170).

2¹⁶³⁴³ is an apocalyptic number.

16343 is a deficient number, since it is larger than the sum of its proper divisors (337).

16343 is an equidigital number, since it uses as much as digits as its factorization.

16343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 216, while the sum is 17.

The square root of 16343 is about 127.8397434290. The cubic root of 16343 is about 25.3772131180.

The spelling of 16343 in words is "sixteen thousand, three hundred forty-three".