6628602163 has 4 divisors (see below), whose sum is σ = 6665633640. Its totient is φ = 6591570688.

The previous prime is 6628602157. The next prime is 6628602179. The reversal of 6628602163 is 3612068266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6628602163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6628602863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18515470 + ... + 18515827.

It is an arithmetic number, because the mean of its divisors is an integer number (1666408410).

Almost surely, 2^6628602163 is an apocalyptic number.

6628602163 is a deficient number, since it is larger than the sum of its proper divisors (37031477).

6628602163 is a wasteful number, since it uses less digits than its factorization.

6628602163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37031476.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 6628602163 is about 81416.2278848633. The cubic root of 6628602163 is about 1878.4832117514.

The spelling of 6628602163 in words is "six billion, six hundred twenty-eight million, six hundred two thousand, one hundred sixty-three".