16501314613793 has 2 divisors, whose sum is σ = 16501314613794. Its totient is φ = 16501314613792.

The previous prime is 16501314613759. The next prime is 16501314613811. The reversal of 16501314613793 is 39731641310561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13508770983184 + 2992543630609 = 3675428^2 + 1729897^2 .

It is a cyclic number.

It is not a de Polignac number, because 16501314613793 - 2¹² = 16501314609697 is a prime.

It is not a weakly prime, because it can be changed into another prime (16501314613393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8250657306896 + 8250657306897.

It is an arithmetic number, because the mean of its divisors is an integer number (8250657306897).

Almost surely, 2^{16501314613793} is an apocalyptic number.

It is an amenable number.

16501314613793 is a deficient number, since it is larger than the sum of its proper divisors (1).

16501314613793 is an equidigital number, since it uses as much as digits as its factorization.

16501314613793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 16501314613793 in words is "sixteen trillion, five hundred one billion, three hundred fourteen million, six hundred thirteen thousand, seven hundred ninety-three".