16727952582197 has 2 divisors, whose sum is σ = 16727952582198. Its totient is φ = 16727952582196.

The previous prime is 16727952582179. The next prime is 16727952582203. The reversal of 16727952582197 is 79128525972761.

Together with previous prime (16727952582179) 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., 10194029310481 + 6533923271716 = 3192809^2 + 2556154^2 .

It is a cyclic number.

It is not a de Polignac number, because 16727952582197 - 2²⁶ = 16727885473333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16727952582197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16727952588197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8363976291098 + 8363976291099.

It is an arithmetic number, because the mean of its divisors is an integer number (8363976291099).

Almost surely, 2^{16727952582197} is an apocalyptic number.

It is an amenable number.

16727952582197 is a deficient number, since it is larger than the sum of its proper divisors (1).

16727952582197 is an equidigital number, since it uses as much as digits as its factorization.

16727952582197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 266716800, while the sum is 71.

The spelling of 16727952582197 in words is "sixteen trillion, seven hundred twenty-seven billion, nine hundred fifty-two million, five hundred eighty-two thousand, one hundred ninety-seven".