4160646509 has 2 divisors, whose sum is σ = 4160646510. Its totient is φ = 4160646508.

The previous prime is 4160646491. The next prime is 4160646563. The reversal of 4160646509 is 9056460614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2514721609 + 1645924900 = 50147^2 + 40570^2 .

It is a cyclic number.

It is not a de Polignac number, because 4160646509 - 2⁸ = 4160646253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4160646569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080323254 + 2080323255.

It is an arithmetic number, because the mean of its divisors is an integer number (2080323255).

Almost surely, 2^4160646509 is an apocalyptic number.

It is an amenable number.

4160646509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4160646509 is an equidigital number, since it uses as much as digits as its factorization.

4160646509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 4160646509 is about 64503.0736399437. The cubic root of 4160646509 is about 1608.3736143568.

The spelling of 4160646509 in words is "four billion, one hundred sixty million, six hundred forty-six thousand, five hundred nine".