16596397 has 2 divisors, whose sum is σ = 16596398. Its totient is φ = 16596396.

The previous prime is 16596389. The next prime is 16596427. The reversal of 16596397 is 79369561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13942756 + 2653641 = 3734^2 + 1629^2 .

It is an emirp because it is prime and its reverse (79369561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16596397 - 2³ = 16596389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16596347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8298198 + 8298199.

It is an arithmetic number, because the mean of its divisors is an integer number (8298199).

Almost surely, 2^16596397 is an apocalyptic number.

It is an amenable number.

16596397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16596397 is an equidigital number, since it uses as much as digits as its factorization.

16596397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 16596397 is about 4073.8675727127. The cubic root of 16596397 is about 255.0769830366.

The spelling of 16596397 in words is "sixteen million, five hundred ninety-six thousand, three hundred ninety-seven".