8361066617 has 2 divisors, whose sum is σ = 8361066618. Its totient is φ = 8361066616.

The previous prime is 8361066583. The next prime is 8361066631. The reversal of 8361066617 is 7166601638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7906055056 + 455011561 = 88916^2 + 21331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8361066617 is a prime.

It is not a weakly prime, because it can be changed into another prime (8361065617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180533308 + 4180533309.

It is an arithmetic number, because the mean of its divisors is an integer number (4180533309).

Almost surely, 2^8361066617 is an apocalyptic number.

It is an amenable number.

8361066617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8361066617 is an equidigital number, since it uses as much as digits as its factorization.

8361066617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 8361066617 is about 91438.8681961889. The cubic root of 8361066617 is about 2029.6472339522.

The spelling of 8361066617 in words is "eight billion, three hundred sixty-one million, sixty-six thousand, six hundred seventeen".