1663100022317 has 2 divisors, whose sum is σ = 1663100022318. Its totient is φ = 1663100022316.

The previous prime is 1663100022301. The next prime is 1663100022461. The reversal of 1663100022317 is 7132200013661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1658251128361 + 4848893956 = 1287731^2 + 69634^2 .

It is an emirp because it is prime and its reverse (7132200013661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1663100022317 - 2⁴ = 1663100022301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1663100072317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831550011158 + 831550011159.

It is an arithmetic number, because the mean of its divisors is an integer number (831550011159).

Almost surely, 2^{1663100022317} is an apocalyptic number.

It is an amenable number.

1663100022317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663100022317 is an equidigital number, since it uses as much as digits as its factorization.

1663100022317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 1663100022317 its reverse (7132200013661), we get a palindrome (8795300035978).

The spelling of 1663100022317 in words is "one trillion, six hundred sixty-three billion, one hundred million, twenty-two thousand, three hundred seventeen".