216160859 has 2 divisors, whose sum is σ = 216160860. Its totient is φ = 216160858.

The previous prime is 216160829. The next prime is 216160883. The reversal of 216160859 is 958061612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216160859 - 2⁸ = 216160603 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (216160829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108080429 + 108080430.

It is an arithmetic number, because the mean of its divisors is an integer number (108080430).

Almost surely, 2^216160859 is an apocalyptic number.

216160859 is a deficient number, since it is larger than the sum of its proper divisors (1).

216160859 is an equidigital number, since it uses as much as digits as its factorization.

216160859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 216160859 is about 14702.4099725181. The cubic root of 216160859 is about 600.1489065602.

The spelling of 216160859 in words is "two hundred sixteen million, one hundred sixty thousand, eight hundred fifty-nine".