16799693 has 2 divisors, whose sum is σ = 16799694. Its totient is φ = 16799692.

The previous prime is 16799659. The next prime is 16799701. The reversal of 16799693 is 39699761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 1605289 = 3898^2 + 1267^2 .

It is an emirp because it is prime and its reverse (39699761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16799693 - 2⁸ = 16799437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16799603) 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, 8399846 + 8399847.

It is an arithmetic number, because the mean of its divisors is an integer number (8399847).

Almost surely, 2^16799693 is an apocalyptic number.

It is an amenable number.

16799693 is a deficient number, since it is larger than the sum of its proper divisors (1).

16799693 is an equidigital number, since it uses as much as digits as its factorization.

16799693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 50.

The square root of 16799693 is about 4098.7428560474. The cubic root of 16799693 is about 256.1142729173.

The spelling of 16799693 in words is "sixteen million, seven hundred ninety-nine thousand, six hundred ninety-three".