5005166665 has 8 divisors (see below), whose sum is σ = 6014138760. Its totient is φ = 3998840832.

The previous prime is 5005166641. The next prime is 5005166669. The reversal of 5005166665 is 5666615005.

5005166665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13461561 + 4991705104 = 3669^2 + 70652^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5005166665 - 2⁵ = 5005166633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5005166669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657400 + ... + 664969.

It is an arithmetic number, because the mean of its divisors is an integer number (751767345).

Almost surely, 2^5005166665 is an apocalyptic number.

It is an amenable number.

5005166665 is a deficient number, since it is larger than the sum of its proper divisors (1008972095).

5005166665 is a wasteful number, since it uses less digits than its factorization.

5005166665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323131.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 5005166665 is about 70747.2025241988. The cubic root of 5005166665 is about 1710.5647354433.

The spelling of 5005166665 in words is "five billion, five million, one hundred sixty-six thousand, six hundred sixty-five".