206516071 has 2 divisors, whose sum is σ = 206516072. Its totient is φ = 206516070.

The previous prime is 206516029. The next prime is 206516081. The reversal of 206516071 is 170615602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206516071 - 2¹³ = 206507879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206516081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103258035 + 103258036.

It is an arithmetic number, because the mean of its divisors is an integer number (103258036).

Almost surely, 2^206516071 is an apocalyptic number.

206516071 is a deficient number, since it is larger than the sum of its proper divisors (1).

206516071 is an equidigital number, since it uses as much as digits as its factorization.

206516071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 206516071 is about 14370.6670339271. The cubic root of 206516071 is about 591.0868323128.

The spelling of 206516071 in words is "two hundred six million, five hundred sixteen thousand, seventy-one".