5173020665 has 8 divisors (see below), whose sum is σ = 6248735808. Its totient is φ = 4111009200.

The previous prime is 5173020647. The next prime is 5173020679. The reversal of 5173020665 is 5660203715.

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

It is a de Polignac number, because none of the positive numbers 2^k-5173020665 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 3425087 + ... + 3426596.

It is an arithmetic number, because the mean of its divisors is an integer number (781091976).

Almost surely, 2^5173020665 is an apocalyptic number.

It is an amenable number.

5173020665 is a deficient number, since it is larger than the sum of its proper divisors (1075715143).

5173020665 is a wasteful number, since it uses less digits than its factorization.

5173020665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851839.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 5173020665 is about 71923.7142047044. The cubic root of 5173020665 is about 1729.4767888872.

The spelling of 5173020665 in words is "five billion, one hundred seventy-three million, twenty thousand, six hundred sixty-five".