16679297 has 2 divisors, whose sum is σ = 16679298. Its totient is φ = 16679296.

The previous prime is 16679287. The next prime is 16679303. The reversal of 16679297 is 79297661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16248961 + 430336 = 4031^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 16679297 - 2⁴ = 16679281 is a prime.

It is not a weakly prime, because it can be changed into another prime (16679287) 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, 8339648 + 8339649.

It is an arithmetic number, because the mean of its divisors is an integer number (8339649).

Almost surely, 2^16679297 is an apocalyptic number.

It is an amenable number.

16679297 is a deficient number, since it is larger than the sum of its proper divisors (1).

16679297 is an equidigital number, since it uses as much as digits as its factorization.

16679297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 16679297 is about 4084.0295052803. The cubic root of 16679297 is about 255.5009861291.

The spelling of 16679297 in words is "sixteen million, six hundred seventy-nine thousand, two hundred ninety-seven".