16740841057873 has 2 divisors, whose sum is σ = 16740841057874. Its totient is φ = 16740841057872.

The previous prime is 16740841057813. The next prime is 16740841058057. The reversal of 16740841057873 is 37875014804761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16649729446464 + 91111611409 = 4080408^2 + 301847^2 .

It is an emirp because it is prime and its reverse (37875014804761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16740841057873 - 2²¹ = 16740838960721 is a prime.

It is not a weakly prime, because it can be changed into another prime (16740841057813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8370420528936 + 8370420528937.

It is an arithmetic number, because the mean of its divisors is an integer number (8370420528937).

Almost surely, 2^{16740841057873} is an apocalyptic number.

It is an amenable number.

16740841057873 is a deficient number, since it is larger than the sum of its proper divisors (1).

16740841057873 is an equidigital number, since it uses as much as digits as its factorization.

16740841057873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 16740841057873 in words is "sixteen trillion, seven hundred forty billion, eight hundred forty-one million, fifty-seven thousand, eight hundred seventy-three".