16946473 has 2 divisors, whose sum is σ = 16946474. Its totient is φ = 16946472.

The previous prime is 16946459. The next prime is 16946519. The reversal of 16946473 is 37464961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10810944 + 6135529 = 3288^2 + 2477^2 .

It is an emirp because it is prime and its reverse (37464961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16946473 - 2⁵ = 16946441 is a prime.

It is not a weakly prime, because it can be changed into another prime (16946873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473236 + 8473237.

It is an arithmetic number, because the mean of its divisors is an integer number (8473237).

Almost surely, 2^16946473 is an apocalyptic number.

It is an amenable number.

16946473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946473 is an equidigital number, since it uses as much as digits as its factorization.

16946473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 16946473 is about 4116.6094058096. The cubic root of 16946473 is about 256.8580067217.

The spelling of 16946473 in words is "sixteen million, nine hundred forty-six thousand, four hundred seventy-three".