216850567 has 2 divisors, whose sum is σ = 216850568. Its totient is φ = 216850566.

The previous prime is 216850523. The next prime is 216850583. The reversal of 216850567 is 765058612.

216850567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216850567 - 2¹¹ = 216848519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216850597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108425283 + 108425284.

It is an arithmetic number, because the mean of its divisors is an integer number (108425284).

Almost surely, 2^216850567 is an apocalyptic number.

216850567 is a deficient number, since it is larger than the sum of its proper divisors (1).

216850567 is an equidigital number, since it uses as much as digits as its factorization.

216850567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 216850567 is about 14725.8469026403. The cubic root of 216850567 is about 600.7865305360.

The spelling of 216850567 in words is "two hundred sixteen million, eight hundred fifty thousand, five hundred sixty-seven".