16517204650747 has 2 divisors, whose sum is σ = 16517204650748. Its totient is φ = 16517204650746.

The previous prime is 16517204650733. The next prime is 16517204650753. The reversal of 16517204650747 is 74705640271561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16517204650747 - 2⁷ = 16517204650619 is a prime.

It is not a weakly prime, because it can be changed into another prime (16517204650717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8258602325373 + 8258602325374.

It is an arithmetic number, because the mean of its divisors is an integer number (8258602325374).

Almost surely, 2^{16517204650747} is an apocalyptic number.

16517204650747 is a deficient number, since it is larger than the sum of its proper divisors (1).

16517204650747 is an equidigital number, since it uses as much as digits as its factorization.

16517204650747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 16517204650747 in words is "sixteen trillion, five hundred seventeen billion, two hundred four million, six hundred fifty thousand, seven hundred forty-seven".