8100182861 has 2 divisors, whose sum is σ = 8100182862. Its totient is φ = 8100182860.

The previous prime is 8100182813. The next prime is 8100182953. The reversal of 8100182861 is 1682810018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7484845225 + 615337636 = 86515^2 + 24806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8100182861 is a prime.

It is a super-2 number, since 2×8100182861² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8100185861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050091430 + 4050091431.

It is an arithmetic number, because the mean of its divisors is an integer number (4050091431).

Almost surely, 2^8100182861 is an apocalyptic number.

It is an amenable number.

8100182861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100182861 is an equidigital number, since it uses as much as digits as its factorization.

8100182861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 35.

The square root of 8100182861 is about 90001.0158887109. The cubic root of 8100182861 is about 2008.3139628709.

Adding to 8100182861 its reverse (1682810018), we get a palindrome (9782992879).

The spelling of 8100182861 in words is "eight billion, one hundred million, one hundred eighty-two thousand, eight hundred sixty-one".