16648530605417 has 2 divisors, whose sum is σ = 16648530605418. Its totient is φ = 16648530605416.

The previous prime is 16648530605323. The next prime is 16648530605431. The reversal of 16648530605417 is 71450603584661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9336422469136 + 7312108136281 = 3055556^2 + 2704091^2 .

It is a cyclic number.

It is not a de Polignac number, because 16648530605417 - 2¹⁰ = 16648530604393 is a prime.

It is not a weakly prime, because it can be changed into another prime (16648530625417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8324265302708 + 8324265302709.

It is an arithmetic number, because the mean of its divisors is an integer number (8324265302709).

Almost surely, 2^{16648530605417} is an apocalyptic number.

It is an amenable number.

16648530605417 is a deficient number, since it is larger than the sum of its proper divisors (1).

16648530605417 is an equidigital number, since it uses as much as digits as its factorization.

16648530605417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 16648530605417 in words is "sixteen trillion, six hundred forty-eight billion, five hundred thirty million, six hundred five thousand, four hundred seventeen".