163826 has 8 divisors (see below), whose sum is σ = 264684. Its totient is φ = 75600.

The previous prime is 163819. The next prime is 163841. The reversal of 163826 is 628361.

It can be written as a sum of positive squares in 2 ways, for example, as 160801 + 3025 = 401^2 + 55^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 6301 = 163826 / (1 + 6 + 3 + 8 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 163795 and 163804.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163826.

It is an unprimeable number.

163826 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125 + ... + 3176.

2¹⁶³⁸²⁶ is an apocalyptic number.

163826 is a deficient number, since it is larger than the sum of its proper divisors (100858).

163826 is a wasteful number, since it uses less digits than its factorization.

163826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316.

The product of its digits is 1728, while the sum is 26.

The square root of 163826 is about 404.7542464261. The cubic root of 163826 is about 54.7176716774.

It can be divided in two parts, 163 and 826, that added together give a palindrome (989).

The spelling of 163826 in words is "one hundred sixty-three thousand, eight hundred twenty-six".