160338809 has 2 divisors, whose sum is σ = 160338810. Its totient is φ = 160338808.

The previous prime is 160338799. The next prime is 160338811. The reversal of 160338809 is 908833061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128754409 + 31584400 = 11347^2 + 5620^2 .

It is a cyclic number.

It is not a de Polignac number, because 160338809 - 2⁴ = 160338793 is a prime.

It is a Sophie Germain prime.

Together with 160338811, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (160338859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80169404 + 80169405.

It is an arithmetic number, because the mean of its divisors is an integer number (80169405).

Almost surely, 2^160338809 is an apocalyptic number.

It is an amenable number.

160338809 is a deficient number, since it is larger than the sum of its proper divisors (1).

160338809 is an equidigital number, since it uses as much as digits as its factorization.

160338809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 160338809 is about 12662.4961599204. The cubic root of 160338809 is about 543.2664486234.

It can be divided in two parts, 16033 and 8809, that added together give a palindrome (24842).

The spelling of 160338809 in words is "one hundred sixty million, three hundred thirty-eight thousand, eight hundred nine".