16790317 has 2 divisors, whose sum is σ = 16790318. Its totient is φ = 16790316.

The previous prime is 16790303. The next prime is 16790329. The reversal of 16790317 is 71309761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15217801 + 1572516 = 3901^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 16790317 - 2²³ = 8401709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16790377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8395158 + 8395159.

It is an arithmetic number, because the mean of its divisors is an integer number (8395159).

Almost surely, 2^16790317 is an apocalyptic number.

It is an amenable number.

16790317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16790317 is an equidigital number, since it uses as much as digits as its factorization.

16790317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 16790317 is about 4097.5989310815. The cubic root of 16790317 is about 256.0666177947.

The spelling of 16790317 in words is "sixteen million, seven hundred ninety thousand, three hundred seventeen".