16919033 has 2 divisors, whose sum is σ = 16919034. Its totient is φ = 16919032.

The previous prime is 16919011. The next prime is 16919039. The reversal of 16919033 is 33091961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15155449 + 1763584 = 3893^2 + 1328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16919033 is a prime.

It is not a weakly prime, because it can be changed into another prime (16919039) 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, 8459516 + 8459517.

It is an arithmetic number, because the mean of its divisors is an integer number (8459517).

Almost surely, 2^16919033 is an apocalyptic number.

It is an amenable number.

16919033 is a deficient number, since it is larger than the sum of its proper divisors (1).

16919033 is an equidigital number, since it uses as much as digits as its factorization.

16919033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 16919033 is about 4113.2752156888. The cubic root of 16919033 is about 256.7192956301.

The spelling of 16919033 in words is "sixteen million, nine hundred nineteen thousand, thirty-three".