163343 has 4 divisors (see below), whose sum is σ = 171960. Its totient is φ = 154728.

The previous prime is 163337. The next prime is 163351. The reversal of 163343 is 343361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343361 = 313 ⋅1097.

It is a cyclic number.

It is not a de Polignac number, because 163343 - 2⁴ = 163327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163363) 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, 4280 + ... + 4317.

It is an arithmetic number, because the mean of its divisors is an integer number (42990).

2¹⁶³³⁴³ is an apocalyptic number.

163343 is a deficient number, since it is larger than the sum of its proper divisors (8617).

163343 is an equidigital number, since it uses as much as digits as its factorization.

163343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616.

The product of its digits is 648, while the sum is 20.

The square root of 163343 is about 404.1571476542. The cubic root of 163343 is about 54.6638449532.

The spelling of 163343 in words is "one hundred sixty-three thousand, three hundred forty-three".