16994041 has 2 divisors, whose sum is σ = 16994042. Its totient is φ = 16994040.

The previous prime is 16994039. The next prime is 16994057. The reversal of 16994041 is 14049961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16810000 + 184041 = 4100^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 16994041 - 2¹ = 16994039 is a prime.

Together with 16994039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16993988 and 16994006.

It is not a weakly prime, because it can be changed into another prime (16994011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8497020 + 8497021.

It is an arithmetic number, because the mean of its divisors is an integer number (8497021).

Almost surely, 2^16994041 is an apocalyptic number.

It is an amenable number.

16994041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16994041 is an equidigital number, since it uses as much as digits as its factorization.

16994041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 16994041 is about 4122.3829273856. The cubic root of 16994041 is about 257.0981118940.

The spelling of 16994041 in words is "sixteen million, nine hundred ninety-four thousand, forty-one".