6628125316 has 6 divisors (see below), whose sum is σ = 11599219310. Its totient is φ = 3314062656.

The previous prime is 6628125289. The next prime is 6628125341. The reversal of 6628125316 is 6135218266.

It can be written as a sum of positive squares in only one way, i.e., 5677019716 + 951105600 = 75346^2 + 30840^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828515661 + ... + 828515668.

Almost surely, 2^6628125316 is an apocalyptic number.

It is an amenable number.

6628125316 is a deficient number, since it is larger than the sum of its proper divisors (4971093994).

6628125316 is a wasteful number, since it uses less digits than its factorization.

6628125316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657031333 (or 1657031331 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 6628125316 is about 81413.2993803838. The cubic root of 6628125316 is about 1878.4381660267.

The spelling of 6628125316 in words is "six billion, six hundred twenty-eight million, one hundred twenty-five thousand, three hundred sixteen".