5055171666 has 8 divisors (see below), whose sum is σ = 10110343344. Its totient is φ = 1685057220.

The previous prime is 5055171637. The next prime is 5055171703. The reversal of 5055171666 is 6661715505.

It is a sphenic number, since it is the product of 3 distinct primes.

5055171666 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

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, 421264300 + ... + 421264311.

It is an arithmetic number, because the mean of its divisors is an integer number (1263792918).

Almost surely, 2^5055171666 is an apocalyptic number.

5055171666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5055171666 is a wasteful number, since it uses less digits than its factorization.

5055171666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842528616.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 5055171666 is about 71099.7304214299. The cubic root of 5055171666 is about 1716.2424354958.

The spelling of 5055171666 in words is "five billion, fifty-five million, one hundred seventy-one thousand, six hundred sixty-six".