898163501173 has 2 divisors, whose sum is σ = 898163501174. Its totient is φ = 898163501172.

The previous prime is 898163501153. The next prime is 898163501267. The reversal of 898163501173 is 371105361898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813463294084 + 84700207089 = 901922^2 + 291033^2 .

It is a cyclic number.

It is not a de Polignac number, because 898163501173 - 2⁵ = 898163501141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 898163501173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898163501113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449081750586 + 449081750587.

It is an arithmetic number, because the mean of its divisors is an integer number (449081750587).

Almost surely, 2^898163501173 is an apocalyptic number.

It is an amenable number.

898163501173 is a deficient number, since it is larger than the sum of its proper divisors (1).

898163501173 is an equidigital number, since it uses as much as digits as its factorization.

898163501173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 898163501173 in words is "eight hundred ninety-eight billion, one hundred sixty-three million, five hundred one thousand, one hundred seventy-three".