6628503316 has 12 divisors (see below), whose sum is σ = 11604213460. Its totient is φ = 3313013760.

The previous prime is 6628503311. The next prime is 6628503319. The reversal of 6628503316 is 6133058266.

It can be written as a sum of positive squares in 2 ways, for example, as 3894259216 + 2734244100 = 62404^2 + 52290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628503311) by changing a digit.

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, 297375 + ... + 318886.

Almost surely, 2^6628503316 is an apocalyptic number.

It is an amenable number.

6628503316 is a deficient number, since it is larger than the sum of its proper divisors (4975710144).

6628503316 is a wasteful number, since it uses less digits than its factorization.

6628503316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618954 (or 618952 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6628503316 is about 81415.6208353164. The cubic root of 6628503316 is about 1878.4738742698.

The spelling of 6628503316 in words is "six billion, six hundred twenty-eight million, five hundred three thousand, three hundred sixteen".