16850219 has 2 divisors, whose sum is σ = 16850220. Its totient is φ = 16850218.

The previous prime is 16850209. The next prime is 16850227. The reversal of 16850219 is 91205861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16850219 - 2⁴ = 16850203 is a prime.

It is a super-2 number, since 2×16850219² = 567859760695922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16850209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8425109 + 8425110.

It is an arithmetic number, because the mean of its divisors is an integer number (8425110).

Almost surely, 2^16850219 is an apocalyptic number.

16850219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16850219 is an equidigital number, since it uses as much as digits as its factorization.

16850219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 16850219 is about 4104.9018258662. The cubic root of 16850219 is about 256.3707751913.

The spelling of 16850219 in words is "sixteen million, eight hundred fifty thousand, two hundred nineteen".