16890011 has 2 divisors, whose sum is σ = 16890012. Its totient is φ = 16890010.

The previous prime is 16890001. The next prime is 16890017. The reversal of 16890011 is 11009861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16890011 is a prime.

It is not a weakly prime, because it can be changed into another prime (16890017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8445005 + 8445006.

It is an arithmetic number, because the mean of its divisors is an integer number (8445006).

Almost surely, 2^16890011 is an apocalyptic number.

16890011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16890011 is an equidigital number, since it uses as much as digits as its factorization.

16890011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 16890011 is about 4109.7458558894. The cubic root of 16890011 is about 256.5724241249.

Adding to 16890011 its reverse (11009861), we get a palindrome (27899872).

The spelling of 16890011 in words is "sixteen million, eight hundred ninety thousand, eleven".