16716853550387 has 2 divisors, whose sum is σ = 16716853550388. Its totient is φ = 16716853550386.

The previous prime is 16716853550377. The next prime is 16716853550401. The reversal of 16716853550387 is 78305535861761.

16716853550387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16716853550387 is a prime.

It is not a weakly prime, because it can be changed into another prime (16716853550377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358426775193 + 8358426775194.

It is an arithmetic number, because the mean of its divisors is an integer number (8358426775194).

Almost surely, 2^{16716853550387} is an apocalyptic number.

16716853550387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716853550387 is an equidigital number, since it uses as much as digits as its factorization.

16716853550387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008000, while the sum is 65.

The spelling of 16716853550387 in words is "sixteen trillion, seven hundred sixteen billion, eight hundred fifty-three million, five hundred fifty thousand, three hundred eighty-seven".