16211071 has 2 divisors, whose sum is σ = 16211072. Its totient is φ = 16211070.

The previous prime is 16211059. The next prime is 16211077. The reversal of 16211071 is 17011261.

It is a strong prime.

It is an emirp because it is prime and its reverse (17011261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16211071 - 2⁹ = 16210559 is a prime.

It is equal to p_1043803 and since 16211071 and 1043803 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16211077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8105535 + 8105536.

It is an arithmetic number, because the mean of its divisors is an integer number (8105536).

Almost surely, 2^16211071 is an apocalyptic number.

16211071 is a deficient number, since it is larger than the sum of its proper divisors (1).

16211071 is an equidigital number, since it uses as much as digits as its factorization.

16211071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 16211071 is about 4026.2974306427. The cubic root of 16211071 is about 253.0874262371.

The spelling of 16211071 in words is "sixteen million, two hundred eleven thousand, seventy-one".