163806 has 16 divisors (see below), whose sum is σ = 342144. Its totient is φ = 52184.

The previous prime is 163789. The next prime is 163811. The reversal of 163806 is 608361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (21384).

2¹⁶³⁸⁰⁶ is an apocalyptic number.

163806 is an abundant number, since it is smaller than the sum of its proper divisors (178338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163806 is a wasteful number, since it uses less digits than its factorization.

163806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 163806 is about 404.7295393222. The cubic root of 163806 is about 54.7154449288.

It can be divided in two parts, 163 and 806, that added together give a palindrome (969).

The spelling of 163806 in words is "one hundred sixty-three thousand, eight hundred six".