6628902672 has 60 divisors (see below), whose sum is σ = 19920536016. Its totient is φ = 1893971520.

The previous prime is 6628902671. The next prime is 6628902677. The reversal of 6628902672 is 2762098266.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6628902671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1406854 + ... + 1411557.

Almost surely, 2^6628902672 is an apocalyptic number.

It is an amenable number.

6628902672 is an abundant number, since it is smaller than the sum of its proper divisors (13291633344).

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

6628902672 is a wasteful number, since it uses less digits than its factorization.

6628902672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818436 (or 2818423 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 6628902672 is about 81418.0733744050. The cubic root of 6628902672 is about 1878.5115984594.

The spelling of 6628902672 in words is "six billion, six hundred twenty-eight million, nine hundred two thousand, six hundred seventy-two".