8158196719 has 2 divisors, whose sum is σ = 8158196720. Its totient is φ = 8158196718.

The previous prime is 8158196681. The next prime is 8158196731. The reversal of 8158196719 is 9176918518.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8158196719 - 2¹⁷ = 8158065647 is a prime.

It is a super-2 number, since 2×8158196719² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8158196719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8158196749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079098359 + 4079098360.

It is an arithmetic number, because the mean of its divisors is an integer number (4079098360).

Almost surely, 2^8158196719 is an apocalyptic number.

8158196719 is a deficient number, since it is larger than the sum of its proper divisors (1).

8158196719 is an equidigital number, since it uses as much as digits as its factorization.

8158196719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 55.

The square root of 8158196719 is about 90322.7364454820. The cubic root of 8158196719 is about 2013.0971056122.

The spelling of 8158196719 in words is "eight billion, one hundred fifty-eight million, one hundred ninety-six thousand, seven hundred nineteen".