8130260161 has 2 divisors, whose sum is σ = 8130260162. Its totient is φ = 8130260160.

The previous prime is 8130260153. The next prime is 8130260191. The reversal of 8130260161 is 1610620318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6881697936 + 1248562225 = 82956^2 + 35335^2 .

It is a cyclic number.

It is not a de Polignac number, because 8130260161 - 2³ = 8130260153 is a prime.

It is a super-2 number, since 2×8130260161² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8130260101) 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, 4065130080 + 4065130081.

It is an arithmetic number, because the mean of its divisors is an integer number (4065130081).

Almost surely, 2^8130260161 is an apocalyptic number.

It is an amenable number.

8130260161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130260161 is an equidigital number, since it uses as much as digits as its factorization.

8130260161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8130260161 is about 90167.9552890050. The cubic root of 8130260161 is about 2010.7966249835.

Adding to 8130260161 its reverse (1610620318), we get a palindrome (9740880479).

The spelling of 8130260161 in words is "eight billion, one hundred thirty million, two hundred sixty thousand, one hundred sixty-one".