16958941288199 has 2 divisors, whose sum is σ = 16958941288200. Its totient is φ = 16958941288198.

The previous prime is 16958941288141. The next prime is 16958941288229. The reversal of 16958941288199 is 99188214985961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16958941288199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16958941288109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8479470644099 + 8479470644100.

It is an arithmetic number, because the mean of its divisors is an integer number (8479470644100).

Almost surely, 2^{16958941288199} is an apocalyptic number.

16958941288199 is a deficient number, since it is larger than the sum of its proper divisors (1).

16958941288199 is an equidigital number, since it uses as much as digits as its factorization.

16958941288199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806215680, while the sum is 80.

The spelling of 16958941288199 in words is "sixteen trillion, nine hundred fifty-eight billion, nine hundred forty-one million, two hundred eighty-eight thousand, one hundred ninety-nine".