163703 has 4 divisors (see below), whose sum is σ = 165120. Its totient is φ = 162288.

The previous prime is 163697. The next prime is 163729. The reversal of 163703 is 307361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163703 - 2¹⁴ = 147319 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163733) 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, 518 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (41280).

2¹⁶³⁷⁰³ is an apocalyptic number.

163703 is a deficient number, since it is larger than the sum of its proper divisors (1417).

163703 is a wasteful number, since it uses less digits than its factorization.

163703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 163703 is about 404.6022738443. The cubic root of 163703 is about 54.7039743020.

The spelling of 163703 in words is "one hundred sixty-three thousand, seven hundred three".