16248554617 has 2 divisors, whose sum is σ = 16248554618. Its totient is φ = 16248554616.

The previous prime is 16248554603. The next prime is 16248554669. The reversal of 16248554617 is 71645584261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15401802816 + 846751801 = 124104^2 + 29099^2 .

It is a cyclic number.

It is not a de Polignac number, because 16248554617 - 2¹¹ = 16248552569 is a prime.

It is not a weakly prime, because it can be changed into another prime (16248554687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124277308 + 8124277309.

It is an arithmetic number, because the mean of its divisors is an integer number (8124277309).

Almost surely, 2^16248554617 is an apocalyptic number.

It is an amenable number.

16248554617 is a deficient number, since it is larger than the sum of its proper divisors (1).

16248554617 is an equidigital number, since it uses as much as digits as its factorization.

16248554617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 49.

The spelling of 16248554617 in words is "sixteen billion, two hundred forty-eight million, five hundred fifty-four thousand, six hundred seventeen".