6515160917 has 2 divisors, whose sum is σ = 6515160918. Its totient is φ = 6515160916.

The previous prime is 6515160893. The next prime is 6515160923. The reversal of 6515160917 is 7190615156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4250257636 + 2264903281 = 65194^2 + 47591^2 .

It is a cyclic number.

It is not a de Polignac number, because 6515160917 - 2¹² = 6515156821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6515160217) 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, 3257580458 + 3257580459.

It is an arithmetic number, because the mean of its divisors is an integer number (3257580459).

Almost surely, 2^6515160917 is an apocalyptic number.

It is an amenable number.

6515160917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6515160917 is an equidigital number, since it uses as much as digits as its factorization.

6515160917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 6515160917 is about 80716.5467360937. The cubic root of 6515160917 is about 1867.7054335969.

The spelling of 6515160917 in words is "six billion, five hundred fifteen million, one hundred sixty thousand, nine hundred seventeen".