168003 has 12 divisors (see below), whose sum is σ = 264888. Its totient is φ = 101760.

The previous prime is 167987. The next prime is 168013. The reversal of 168003 is 300861.

It is not a de Polignac number, because 168003 - 2⁴ = 167987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (22074).

2¹⁶⁸⁰⁰³ is an apocalyptic number.

168003 is a deficient number, since it is larger than the sum of its proper divisors (96885).

168003 is a wasteful number, since it uses less digits than its factorization.

168003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 168003 is about 409.8816902473. The cubic root of 168003 is about 55.1788119690.

Adding to 168003 its reverse (300861), we get a palindrome (468864).

The spelling of 168003 in words is "one hundred sixty-eight thousand, three".