16196197 has 2 divisors, whose sum is σ = 16196198. Its totient is φ = 16196196.

The previous prime is 16196179. The next prime is 16196207. The reversal of 16196197 is 79169161.

Together with previous prime (16196179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13734436 + 2461761 = 3706^2 + 1569^2 .

It is an emirp because it is prime and its reverse (79169161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16196197 - 2⁷ = 16196069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16196137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8098098 + 8098099.

It is an arithmetic number, because the mean of its divisors is an integer number (8098099).

Almost surely, 2^16196197 is an apocalyptic number.

It is an amenable number.

16196197 is a deficient number, since it is larger than the sum of its proper divisors (1).

16196197 is an equidigital number, since it uses as much as digits as its factorization.

16196197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 16196197 is about 4024.4499002969. The cubic root of 16196197 is about 253.0099981988.

The spelling of 16196197 in words is "sixteen million, one hundred ninety-six thousand, one hundred ninety-seven".