160709609 has 2 divisors, whose sum is σ = 160709610. Its totient is φ = 160709608.

The previous prime is 160709603. The next prime is 160709623. The reversal of 160709609 is 906907061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159466384 + 1243225 = 12628^2 + 1115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160709609 is a prime.

It is not a weakly prime, because it can be changed into another prime (160709603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80354804 + 80354805.

It is an arithmetic number, because the mean of its divisors is an integer number (80354805).

Almost surely, 2^160709609 is an apocalyptic number.

It is an amenable number.

160709609 is a deficient number, since it is larger than the sum of its proper divisors (1).

160709609 is an equidigital number, since it uses as much as digits as its factorization.

160709609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 160709609 is about 12677.1293674869. The cubic root of 160709609 is about 543.6849127360.

The spelling of 160709609 in words is "one hundred sixty million, seven hundred nine thousand, six hundred nine".