163333 has 4 divisors (see below), whose sum is σ = 164268. Its totient is φ = 162400.

The previous prime is 163327. The next prime is 163337. The reversal of 163333 is 333361.

163333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 333361 = 7 ⋅47623.

It can be written as a sum of positive squares in 2 ways, for example, as 88804 + 74529 = 298^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 163333 - 2⁹ = 162821 is a prime.

It is an Ulam number.

It is a Duffinian number.

163333 is a modest number, since divided by 333 gives 163 as remainder.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 163333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (41067).

2¹⁶³³³³ is an apocalyptic number.

It is an amenable number.

163333 is a deficient number, since it is larger than the sum of its proper divisors (935).

163333 is an equidigital number, since it uses as much as digits as its factorization.

163333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its digits is 486, while the sum is 19.

The square root of 163333 is about 404.1447760395. The cubic root of 163333 is about 54.6627294078.

Adding to 163333 its reverse (333361), we get a palindrome (496694).

It can be divided in two parts, 163 and 333, that added together give a triangular number (496 = T₃₁).

The spelling of 163333 in words is "one hundred sixty-three thousand, three hundred thirty-three".