160009 has 2 divisors, whose sum is σ = 160010. Its totient is φ = 160008.

The previous prime is 160001. The next prime is 160019. The reversal of 160009 is 900061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 9 = 400^2 + 3^2 .

It is an emirp because it is prime and its reverse (900061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160009 - 2³ = 160001 is a prime.

160009 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 159974 and 160001.

It is not a weakly prime, because it can be changed into another prime (160001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80004 + 80005.

It is an arithmetic number, because the mean of its divisors is an integer number (80005).

2¹⁶⁰⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

160009 is a deficient number, since it is larger than the sum of its proper divisors (1).

160009 is an equidigital number, since it uses as much as digits as its factorization.

160009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 160009 is about 400.0112498418. The cubic root of 160009 is about 54.2893702194.

The spelling of 160009 in words is "one hundred sixty thousand, nine".