163626 has 8 divisors (see below), whose sum is σ = 327264. Its totient is φ = 54540.

The previous prime is 163621. The next prime is 163627. The reversal of 163626 is 626361.

It is a sphenic number, since it is the product of 3 distinct primes.

163626 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 163596 and 163605.

It is not an unprimeable number, because it can be changed into a prime (163621) by changing a digit.

163626 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 13630 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (40908).

2¹⁶³⁶²⁶ is an apocalyptic number.

163626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163626 is a wasteful number, since it uses less digits than its factorization.

163626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276.

The product of its digits is 1296, while the sum is 24.

The square root of 163626 is about 404.5071074777. The cubic root of 163626 is about 54.6953960299.

Adding to 163626 its reverse (626361), we get a palindrome (789987).

The spelling of 163626 in words is "one hundred sixty-three thousand, six hundred twenty-six".