168039 has 6 divisors (see below), whose sum is σ = 242736. Its totient is φ = 112020.

The previous prime is 168037. The next prime is 168043. The reversal of 168039 is 930861.

It is not a de Polignac number, because 168039 - 2¹ = 168037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168037) 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, 9327 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (40456).

2¹⁶⁸⁰³⁹ is an apocalyptic number.

168039 is a deficient number, since it is larger than the sum of its proper divisors (74697).

168039 is a wasteful number, since it uses less digits than its factorization.

168039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18674 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 168039 is about 409.9256030062. The cubic root of 168039 is about 55.1827529609.

The spelling of 168039 in words is "one hundred sixty-eight thousand, thirty-nine".