163459 has 4 divisors (see below), whose sum is σ = 164416. Its totient is φ = 162504.

The previous prime is 163433. The next prime is 163469. The reversal of 163459 is 954361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 954361 = 29 ⋅32909.

It is a cyclic number.

It is not a de Polignac number, because 163459 - 2⁹ = 162947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163409) 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, 144 + ... + 589.

It is an arithmetic number, because the mean of its divisors is an integer number (41104).

2¹⁶³⁴⁵⁹ is an apocalyptic number.

163459 is a deficient number, since it is larger than the sum of its proper divisors (957).

163459 is an equidigital number, since it uses as much as digits as its factorization.

163459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its digits is 3240, while the sum is 28.

The square root of 163459 is about 404.3006307193. The cubic root of 163459 is about 54.6767819540.

The spelling of 163459 in words is "one hundred sixty-three thousand, four hundred fifty-nine".