168703 has 4 divisors (see below), whose sum is σ = 171088. Its totient is φ = 166320.

The previous prime is 168697. The next prime is 168713. The reversal of 168703 is 307861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307861 = 31 ⋅9931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168703 is a prime.

It is a Duffinian number.

168703 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168713) 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, 1083 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (42772).

2¹⁶⁸⁷⁰³ is an apocalyptic number.

168703 is a deficient number, since it is larger than the sum of its proper divisors (2385).

168703 is an equidigital number, since it uses as much as digits as its factorization.

168703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 168703 is about 410.7347075668. The cubic root of 168703 is about 55.2553416483.

The spelling of 168703 in words is "one hundred sixty-eight thousand, seven hundred three".