163386 has 24 divisors (see below), whose sum is σ = 367380. Its totient is φ = 52416.

The previous prime is 163367. The next prime is 163393. The reversal of 163386 is 683361.

It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 18225 = 381^2 + 135^2 .

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163386.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 366 + ... + 678.

2¹⁶³³⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183690).

163386 is an abundant number, since it is smaller than the sum of its proper divisors (203994).

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

163386 is a wasteful number, since it uses less digits than its factorization.

163386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 163386 is about 404.2103412829. The cubic root of 163386 is about 54.6686412797.

The spelling of 163386 in words is "one hundred sixty-three thousand, three hundred eighty-six".