16304376716197 has 2 divisors, whose sum is σ = 16304376716198. Its totient is φ = 16304376716196.

The previous prime is 16304376716161. The next prime is 16304376716231. The reversal of 16304376716197 is 79161767340361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13909215004036 + 2395161712161 = 3729506^2 + 1547631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16304376716197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16304376713197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8152188358098 + 8152188358099.

It is an arithmetic number, because the mean of its divisors is an integer number (8152188358099).

Almost surely, 2^{16304376716197} is an apocalyptic number.

It is an amenable number.

16304376716197 is a deficient number, since it is larger than the sum of its proper divisors (1).

16304376716197 is an equidigital number, since it uses as much as digits as its factorization.

16304376716197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24004512, while the sum is 61.

The spelling of 16304376716197 in words is "sixteen trillion, three hundred four billion, three hundred seventy-six million, seven hundred sixteen thousand, one hundred ninety-seven".