163424 has 12 divisors (see below), whose sum is σ = 321804. Its totient is φ = 81696.

The previous prime is 163417. The next prime is 163433. The reversal of 163424 is 424361.

It is a happy number.

163424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163396 and 163405.

It is a congruent number.

It is an unprimeable number.

163424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522 + ... + 2585.

It is an arithmetic number, because the mean of its divisors is an integer number (26817).

2¹⁶³⁴²⁴ is an apocalyptic number.

It is an amenable number.

163424 is a deficient number, since it is larger than the sum of its proper divisors (158380).

163424 is an equidigital number, since it uses as much as digits as its factorization.

163424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5109 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 163424 is about 404.2573437799. The cubic root of 163424 is about 54.6728791935.

Adding to 163424 its reverse (424361), we get a palindrome (587785).

The spelling of 163424 in words is "one hundred sixty-three thousand, four hundred twenty-four".