163366 has 12 divisors (see below), whose sum is σ = 285228. Its totient is φ = 69972.

The previous prime is 163363. The next prime is 163367. The reversal of 163366 is 663361.

It is a self number, because there is not a number n which added to its sum of digits gives 163366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 736 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (23769).

2¹⁶³³⁶⁶ is an apocalyptic number.

163366 is a deficient number, since it is larger than the sum of its proper divisors (121862).

163366 is a wasteful number, since it uses less digits than its factorization.

163366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1676 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 163366 is about 404.1856009311. The cubic root of 163366 is about 54.6664105349. Note that the first 3 decimals are identical.

It can be divided in two parts, 163 and 366, that added together give a square (529 = 23²).

The spelling of 163366 in words is "one hundred sixty-three thousand, three hundred sixty-six".