160909439 has 2 divisors, whose sum is σ = 160909440. Its totient is φ = 160909438.

The previous prime is 160909433. The next prime is 160909451. The reversal of 160909439 is 934909061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160909439 - 2¹² = 160905343 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 160909396 and 160909405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160909433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80454719 + 80454720.

It is an arithmetic number, because the mean of its divisors is an integer number (80454720).

Almost surely, 2^160909439 is an apocalyptic number.

160909439 is a deficient number, since it is larger than the sum of its proper divisors (1).

160909439 is an equidigital number, since it uses as much as digits as its factorization.

160909439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 160909439 is about 12685.0084351568. The cubic root of 160909439 is about 543.9101628160.

The spelling of 160909439 in words is "one hundred sixty million, nine hundred nine thousand, four hundred thirty-nine".