8105816173 has 16 divisors (see below), whose sum is σ = 9979505536. Its totient is φ = 6411389760.

The previous prime is 8105816167. The next prime is 8105816197. The reversal of 8105816173 is 3716185018.

It is a cyclic number.

It is not a de Polignac number, because 8105816173 - 2⁵ = 8105816141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105816113) 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 in 15 ways as a sum of consecutive naturals, for example, 323815 + ... + 347947.

It is an arithmetic number, because the mean of its divisors is an integer number (623719096).

Almost surely, 2^8105816173 is an apocalyptic number.

It is an amenable number.

8105816173 is a deficient number, since it is larger than the sum of its proper divisors (1873689363).

8105816173 is a wasteful number, since it uses less digits than its factorization.

8105816173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27844.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 8105816173 is about 90032.3062739148. The cubic root of 8105816173 is about 2008.7794189265.

The spelling of 8105816173 in words is "eight billion, one hundred five million, eight hundred sixteen thousand, one hundred seventy-three".