5166317647 has 2 divisors, whose sum is σ = 5166317648. Its totient is φ = 5166317646.

The previous prime is 5166317641. The next prime is 5166317669. The reversal of 5166317647 is 7467136615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166317647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5166317597 and 5166317606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5166317641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583158823 + 2583158824.

It is an arithmetic number, because the mean of its divisors is an integer number (2583158824).

Almost surely, 2^5166317647 is an apocalyptic number.

5166317647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166317647 is an equidigital number, since it uses as much as digits as its factorization.

5166317647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 5166317647 is about 71877.1009919014. The cubic root of 5166317647 is about 1728.7294676379.

The spelling of 5166317647 in words is "five billion, one hundred sixty-six million, three hundred seventeen thousand, six hundred forty-seven".