4160565509 has 2 divisors, whose sum is σ = 4160565510. Its totient is φ = 4160565508.

The previous prime is 4160565457. The next prime is 4160565553. The reversal of 4160565509 is 9055650614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2753940484 + 1406625025 = 52478^2 + 37505^2 .

It is a cyclic number.

It is not a de Polignac number, because 4160565509 - 2²⁴ = 4143788293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4160565559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080282754 + 2080282755.

It is an arithmetic number, because the mean of its divisors is an integer number (2080282755).

Almost surely, 2^4160565509 is an apocalyptic number.

It is an amenable number.

4160565509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4160565509 is an equidigital number, since it uses as much as digits as its factorization.

4160565509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 4160565509 is about 64502.4457598315. The cubic root of 4160565509 is about 1608.3631769478.

The spelling of 4160565509 in words is "four billion, one hundred sixty million, five hundred sixty-five thousand, five hundred nine".