6688264628 has 12 divisors (see below), whose sum is σ = 11705104992. Its totient is φ = 3343948920.

The previous prime is 6688264621. The next prime is 6688264657. The reversal of 6688264628 is 8264628866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688264621) 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, 67151 + ... + 133737.

It is an arithmetic number, because the mean of its divisors is an integer number (975425416).

Almost surely, 2^6688264628 is an apocalyptic number.

It is an amenable number.

6688264628 is a deficient number, since it is larger than the sum of its proper divisors (5016840364).

6688264628 is a wasteful number, since it uses less digits than its factorization.

6688264628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91702 (or 91700 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 56.

The square root of 6688264628 is about 81781.8111073605. The cubic root of 6688264628 is about 1884.1023128459.

The spelling of 6688264628 in words is "six billion, six hundred eighty-eight million, two hundred sixty-four thousand, six hundred twenty-eight".