173163013073 has 2 divisors, whose sum is σ = 173163013074. Its totient is φ = 173163013072.

The previous prime is 173163012989. The next prime is 173163013087. The reversal of 173163013073 is 370310361371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172230810049 + 932203024 = 415007^2 + 30532^2 .

It is a cyclic number.

It is not a de Polignac number, because 173163013073 - 2²⁸ = 172894577617 is a prime.

It is not a weakly prime, because it can be changed into another prime (173163013873) 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, 86581506536 + 86581506537.

It is an arithmetic number, because the mean of its divisors is an integer number (86581506537).

Almost surely, 2^173163013073 is an apocalyptic number.

It is an amenable number.

173163013073 is a deficient number, since it is larger than the sum of its proper divisors (1).

173163013073 is an equidigital number, since it uses as much as digits as its factorization.

173163013073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 35.

The spelling of 173163013073 in words is "one hundred seventy-three billion, one hundred sixty-three million, thirteen thousand, seventy-three".