163009 has 16 divisors (see below), whose sum is σ = 213120. Its totient is φ = 120960.

The previous prime is 163003. The next prime is 163019. The reversal of 163009 is 900361.

163009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163009 - 2⁷ = 162881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2197 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (13320).

2¹⁶³⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

163009 is a deficient number, since it is larger than the sum of its proper divisors (50111).

163009 is a wasteful number, since it uses less digits than its factorization.

163009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 163009 is about 403.7437306015. The cubic root of 163009 is about 54.6265610726.

It can be divided in two parts, 16 and 3009, that added together give a square (3025 = 55²).

The spelling of 163009 in words is "one hundred sixty-three thousand, nine".