165703 has 2 divisors, whose sum is σ = 165704. Its totient is φ = 165702.

The previous prime is 165701. The next prime is 165707. The reversal of 165703 is 307561.

165703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165703 - 2¹ = 165701 is a prime.

Together with 165701, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82851 + 82852.

It is an arithmetic number, because the mean of its divisors is an integer number (82852).

2¹⁶⁵⁷⁰³ is an apocalyptic number.

165703 is a deficient number, since it is larger than the sum of its proper divisors (1).

165703 is an equidigital number, since it uses as much as digits as its factorization.

165703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 165703 is about 407.0663336607. The cubic root of 165703 is about 54.9258504918.

It can be divided in two parts, 165 and 703, that added together give a palindrome (868).

The spelling of 165703 in words is "one hundred sixty-five thousand, seven hundred three".