6628904075 has 6 divisors (see below), whose sum is σ = 8219841084. Its totient is φ = 5303123240.

The previous prime is 6628904069. The next prime is 6628904143. The reversal of 6628904075 is 5704098266.

It is not a de Polignac number, because 6628904075 - 2⁴ = 6628904059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132578057 + ... + 132578106.

It is an arithmetic number, because the mean of its divisors is an integer number (1369973514).

Almost surely, 2^6628904075 is an apocalyptic number.

6628904075 is a deficient number, since it is larger than the sum of its proper divisors (1590937009).

6628904075 is a wasteful number, since it uses less digits than its factorization.

6628904075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265156173 (or 265156168 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 6628904075 is about 81418.0819904277. The cubic root of 6628904075 is about 1878.5117309877.

The spelling of 6628904075 in words is "six billion, six hundred twenty-eight million, nine hundred four thousand, seventy-five".