8173151060891 has 2 divisors, whose sum is σ = 8173151060892. Its totient is φ = 8173151060890.

The previous prime is 8173151060869. The next prime is 8173151060927. The reversal of 8173151060891 is 1980601513718.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8173151060891 - 2⁴² = 3775104549787 is a prime.

It is not a weakly prime, because it can be changed into another prime (8173151060791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4086575530445 + 4086575530446.

It is an arithmetic number, because the mean of its divisors is an integer number (4086575530446).

Almost surely, 2^{8173151060891} is an apocalyptic number.

8173151060891 is a deficient number, since it is larger than the sum of its proper divisors (1).

8173151060891 is an equidigital number, since it uses as much as digits as its factorization.

8173151060891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 8173151060891 in words is "eight trillion, one hundred seventy-three billion, one hundred fifty-one million, sixty thousand, eight hundred ninety-one".