6628428606 has 32 divisors (see below), whose sum is σ = 13420430496. Its totient is φ = 2182320000.

The previous prime is 6628428593. The next prime is 6628428641. The reversal of 6628428606 is 6068248266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242136 + ... + 268116.

It is an arithmetic number, because the mean of its divisors is an integer number (419388453).

Almost surely, 2^6628428606 is an apocalyptic number.

6628428606 is an abundant number, since it is smaller than the sum of its proper divisors (6792001890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6628428606 is a wasteful number, since it uses less digits than its factorization.

6628428606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 6628428606 is about 81415.1620154379. The cubic root of 6628428606 is about 1878.4668168038.

The spelling of 6628428606 in words is "six billion, six hundred twenty-eight million, four hundred twenty-eight thousand, six hundred six".