16308717653 has 2 divisors, whose sum is σ = 16308717654. Its totient is φ = 16308717652.

The previous prime is 16308717613. The next prime is 16308717749. The reversal of 16308717653 is 35671780361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12264012049 + 4044705604 = 110743^2 + 63598^2 .

It is a cyclic number.

It is not a de Polignac number, because 16308717653 - 2¹⁶ = 16308652117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16308717598 and 16308717607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16308717613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8154358826 + 8154358827.

It is an arithmetic number, because the mean of its divisors is an integer number (8154358827).

Almost surely, 2^16308717653 is an apocalyptic number.

It is an amenable number.

16308717653 is a deficient number, since it is larger than the sum of its proper divisors (1).

16308717653 is an equidigital number, since it uses as much as digits as its factorization.

16308717653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 16308717653 in words is "sixteen billion, three hundred eight million, seven hundred seventeen thousand, six hundred fifty-three".