16697196657719 has 2 divisors, whose sum is σ = 16697196657720. Its totient is φ = 16697196657718.

The previous prime is 16697196657703. The next prime is 16697196657761. The reversal of 16697196657719 is 91775669179661.

It is a weak prime.

It is an emirp because it is prime and its reverse (91775669179661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16697196657719 - 2⁴ = 16697196657703 is a prime.

It is a super-2 number, since 2×16697196657719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16697196656719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348598328859 + 8348598328860.

It is an arithmetic number, because the mean of its divisors is an integer number (8348598328860).

Almost surely, 2^{16697196657719} is an apocalyptic number.

16697196657719 is a deficient number, since it is larger than the sum of its proper divisors (1).

16697196657719 is an equidigital number, since it uses as much as digits as its factorization.

16697196657719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620304560, while the sum is 80.

The spelling of 16697196657719 in words is "sixteen trillion, six hundred ninety-seven billion, one hundred ninety-six million, six hundred fifty-seven thousand, seven hundred nineteen".