16871183990699 has 2 divisors, whose sum is σ = 16871183990700. Its totient is φ = 16871183990698.

The previous prime is 16871183990671. The next prime is 16871183990707. The reversal of 16871183990699 is 99609938117861.

It is a strong prime.

It is an emirp because it is prime and its reverse (99609938117861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16871183990699 - 2¹² = 16871183986603 is a prime.

It is not a weakly prime, because it can be changed into another prime (16871183960699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8435591995349 + 8435591995350.

It is an arithmetic number, because the mean of its divisors is an integer number (8435591995350).

Almost surely, 2^{16871183990699} is an apocalyptic number.

16871183990699 is a deficient number, since it is larger than the sum of its proper divisors (1).

16871183990699 is an equidigital number, since it uses as much as digits as its factorization.

16871183990699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317447424, while the sum is 77.

The spelling of 16871183990699 in words is "sixteen trillion, eight hundred seventy-one billion, one hundred eighty-three million, nine hundred ninety thousand, six hundred ninety-nine".