80168406193 has 2 divisors, whose sum is σ = 80168406194. Its totient is φ = 80168406192.

The previous prime is 80168406173. The next prime is 80168406209. The reversal of 80168406193 is 39160486108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57526583409 + 22641822784 = 239847^2 + 150472^2 .

It is a cyclic number.

It is not a de Polignac number, because 80168406193 - 2²⁵ = 80134851761 is a prime.

It is not a weakly prime, because it can be changed into another prime (80168406173) 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, 40084203096 + 40084203097.

It is an arithmetic number, because the mean of its divisors is an integer number (40084203097).

Almost surely, 2^80168406193 is an apocalyptic number.

It is an amenable number.

80168406193 is a deficient number, since it is larger than the sum of its proper divisors (1).

80168406193 is an equidigital number, since it uses as much as digits as its factorization.

80168406193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 80168406193 in words is "eighty billion, one hundred sixty-eight million, four hundred six thousand, one hundred ninety-three".