6666504010 has 8 divisors (see below), whose sum is σ = 11999707236. Its totient is φ = 2666601600.

The previous prime is 6666503999. The next prime is 6666504077. The reversal of 6666504010 is 104056666.

It can be written as a sum of positive squares in 2 ways, for example, as 6526862521 + 139641489 = 80789^2 + 11817^2 .

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

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, 333325191 + ... + 333325210.

Almost surely, 2^6666504010 is an apocalyptic number.

6666504010 is a deficient number, since it is larger than the sum of its proper divisors (5333203226).

6666504010 is a wasteful number, since it uses less digits than its factorization.

6666504010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666650408.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6666504010 is about 81648.6620221054. The cubic root of 6666504010 is about 1882.0567510592.

The spelling of 6666504010 in words is "six billion, six hundred sixty-six million, five hundred four thousand, ten".