163109 has 2 divisors, whose sum is σ = 163110. Its totient is φ = 163108.

The previous prime is 163063. The next prime is 163117. The reversal of 163109 is 901361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 14884 = 385^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 163109 - 2⁸ = 162853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81554 + 81555.

It is an arithmetic number, because the mean of its divisors is an integer number (81555).

2¹⁶³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

163109 is a deficient number, since it is larger than the sum of its proper divisors (1).

163109 is an equidigital number, since it uses as much as digits as its factorization.

163109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 163109 is about 403.8675525466. The cubic root of 163109 is about 54.6377292483.

It can be divided in two parts, 163 and 109, that added together give a palindrome (272).

The spelling of 163109 in words is "one hundred sixty-three thousand, one hundred nine".