8171436061 has 2 divisors, whose sum is σ = 8171436062. Its totient is φ = 8171436060.

The previous prime is 8171436059. The next prime is 8171436101. The reversal of 8171436061 is 1606341718.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7360610436 + 810825625 = 85794^2 + 28475^2 .

It is a cyclic number.

It is not a de Polignac number, because 8171436061 - 2¹ = 8171436059 is a prime.

It is a super-2 number, since 2×8171436061² (a number of 21 digits) contains 22 as substring.

Together with 8171436059, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8171436061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8171430061) 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, 4085718030 + 4085718031.

It is an arithmetic number, because the mean of its divisors is an integer number (4085718031).

Almost surely, 2^8171436061 is an apocalyptic number.

It is an amenable number.

8171436061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8171436061 is an equidigital number, since it uses as much as digits as its factorization.

8171436061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8171436061 is about 90395.9958239302. The cubic root of 8171436061 is about 2014.1854865262.

Adding to 8171436061 its reverse (1606341718), we get a palindrome (9777777779).

The spelling of 8171436061 in words is "eight billion, one hundred seventy-one million, four hundred thirty-six thousand, sixty-one".