506163503617 has 2 divisors, whose sum is σ = 506163503618. Its totient is φ = 506163503616.

The previous prime is 506163503579. The next prime is 506163503621. The reversal of 506163503617 is 716305361605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319404695281 + 186758808336 = 565159^2 + 432156^2 .

It is a cyclic number.

It is not a de Polignac number, because 506163503617 - 2¹⁵ = 506163470849 is a prime.

It is not a weakly prime, because it can be changed into another prime (506163501617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253081751808 + 253081751809.

It is an arithmetic number, because the mean of its divisors is an integer number (253081751809).

Almost surely, 2^506163503617 is an apocalyptic number.

It is an amenable number.

506163503617 is a deficient number, since it is larger than the sum of its proper divisors (1).

506163503617 is an equidigital number, since it uses as much as digits as its factorization.

506163503617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 506163503617 in words is "five hundred six billion, one hundred sixty-three million, five hundred three thousand, six hundred seventeen".