6648433187 has 8 divisors (see below), whose sum is σ = 7429735152. Its totient is φ = 5896614400.

The previous prime is 6648433163. The next prime is 6648433189. The reversal of 6648433187 is 7813348466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6648433187 - 2¹⁸ = 6648171043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6648433189) 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, 7370318 + ... + 7371219.

It is an arithmetic number, because the mean of its divisors is an integer number (928716894).

Almost surely, 2^6648433187 is an apocalyptic number.

6648433187 is a deficient number, since it is larger than the sum of its proper divisors (781301965).

6648433187 is a wasteful number, since it uses less digits than its factorization.

6648433187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14741589.

The product of its digits is 2322432, while the sum is 50.

The square root of 6648433187 is about 81537.9248386909. The cubic root of 6648433187 is about 1880.3546549679.

The spelling of 6648433187 in words is "six billion, six hundred forty-eight million, four hundred thirty-three thousand, one hundred eighty-seven".