28341660173 has 4 divisors (see below), whose sum is σ = 28342086720. Its totient is φ = 28341233628.

The previous prime is 28341660169. The next prime is 28341660199. The reversal of 28341660173 is 37106614382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28341660173 - 2² = 28341660169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28341660173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341660133) 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 3 ways as a sum of consecutive naturals, for example, 89765 + ... + 254442.

It is an arithmetic number, because the mean of its divisors is an integer number (7085521680).

Almost surely, 2^28341660173 is an apocalyptic number.

It is an amenable number.

28341660173 is a deficient number, since it is larger than the sum of its proper divisors (426547).

28341660173 is an equidigital number, since it uses as much as digits as its factorization.

28341660173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426546.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 28341660173 in words is "twenty-eight billion, three hundred forty-one million, six hundred sixty thousand, one hundred seventy-three".