6648143 has 2 divisors, whose sum is σ = 6648144. Its totient is φ = 6648142.

The previous prime is 6648133. The next prime is 6648203. The reversal of 6648143 is 3418466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6648143 - 2⁶ = 6648079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6648113) 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 as a sum of consecutive naturals, namely, 3324071 + 3324072.

It is an arithmetic number, because the mean of its divisors is an integer number (3324072).

Almost surely, 2^6648143 is an apocalyptic number.

6648143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6648143 is an equidigital number, since it uses as much as digits as its factorization.

6648143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 6648143 is about 2578.3993096493. The cubic root of 6648143 is about 188.0327297023.

The spelling of 6648143 in words is "six million, six hundred forty-eight thousand, one hundred forty-three".