16919011 has 2 divisors, whose sum is σ = 16919012. Its totient is φ = 16919010.

The previous prime is 16919009. The next prime is 16919033. The reversal of 16919011 is 11091961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16919011 - 2¹ = 16919009 is a prime.

Together with 16919009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16919051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8459505 + 8459506.

It is an arithmetic number, because the mean of its divisors is an integer number (8459506).

Almost surely, 2^16919011 is an apocalyptic number.

16919011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16919011 is an equidigital number, since it uses as much as digits as its factorization.

16919011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 16919011 is about 4113.2725414200. The cubic root of 16919011 is about 256.7191843584.

The spelling of 16919011 in words is "sixteen million, nine hundred nineteen thousand, eleven".