6672825664 has 28 divisors (see below), whose sum is σ = 13244093908. Its totient is φ = 3335731200.

The previous prime is 6672825629. The next prime is 6672825779. The reversal of 6672825664 is 4665282766.

It can be written as a sum of positive squares in 2 ways, for example, as 6085248064 + 587577600 = 78008^2 + 24240^2 .

It is a congruent number.

It is an unprimeable number.

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, 480904 + ... + 494584.

Almost surely, 2^6672825664 is an apocalyptic number.

6672825664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6672825664 is a deficient number, since it is larger than the sum of its proper divisors (6571268244).

6672825664 is a wasteful number, since it uses less digits than its factorization.

6672825664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314 (or 21304 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The square root of 6672825664 is about 81687.3653878003. The cubic root of 6672825664 is about 1882.6514632101.

The spelling of 6672825664 in words is "six billion, six hundred seventy-two million, eight hundred twenty-five thousand, six hundred sixty-four".