6600008920 has 32 divisors (see below), whose sum is σ = 14883581520. Its totient is φ = 2634037120.

The previous prime is 6600008917. The next prime is 6600008927. The reversal of 6600008920 is 298000066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600008927) 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 7 ways as a sum of consecutive naturals, for example, 168511 + ... + 203950.

Almost surely, 2^6600008920 is an apocalyptic number.

It is an amenable number.

6600008920 is an abundant number, since it is smaller than the sum of its proper divisors (8283572600).

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

6600008920 is a wasteful number, since it uses less digits than its factorization.

6600008920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372915 (or 372911 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6600008920 is about 81240.4389451460. The cubic root of 6600008920 is about 1875.7783004137.

Adding to 6600008920 its reverse (298000066), we get a palindrome (6898008986).

The spelling of 6600008920 in words is "six billion, six hundred million, eight thousand, nine hundred twenty".