16944049179191 has 2 divisors, whose sum is σ = 16944049179192. Its totient is φ = 16944049179190.

The previous prime is 16944049179151. The next prime is 16944049179227. The reversal of 16944049179191 is 19197194044961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16944049179191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16944049179151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8472024589595 + 8472024589596.

It is an arithmetic number, because the mean of its divisors is an integer number (8472024589596).

Almost surely, 2^{16944049179191} is an apocalyptic number.

16944049179191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16944049179191 is an equidigital number, since it uses as much as digits as its factorization.

16944049179191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 65.

The spelling of 16944049179191 in words is "sixteen trillion, nine hundred forty-four billion, forty-nine million, one hundred seventy-nine thousand, one hundred ninety-one".