16397683 has 2 divisors, whose sum is σ = 16397684. Its totient is φ = 16397682.

The previous prime is 16397681. The next prime is 16397687. The reversal of 16397683 is 38679361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16397683 - 2¹ = 16397681 is a prime.

Together with 16397681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16397681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198841 + 8198842.

It is an arithmetic number, because the mean of its divisors is an integer number (8198842).

Almost surely, 2^16397683 is an apocalyptic number.

16397683 is a deficient number, since it is larger than the sum of its proper divisors (1).

16397683 is an equidigital number, since it uses as much as digits as its factorization.

16397683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 16397683 is about 4049.4052649741. The cubic root of 16397683 is about 254.0548530963.

The spelling of 16397683 in words is "sixteen million, three hundred ninety-seven thousand, six hundred eighty-three".