6648418 has 24 divisors (see below), whose sum is σ = 11696400. Its totient is φ = 2825928.

The previous prime is 6648413. The next prime is 6648431. The reversal of 6648418 is 8148466.

It is not an unprimeable number, because it can be changed into a prime (6648413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17353 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (487350).

Almost surely, 2^6648418 is an apocalyptic number.

6648418 is a deficient number, since it is larger than the sum of its proper divisors (5047982).

6648418 is a wasteful number, since it uses less digits than its factorization.

6648418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 567 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 6648418 is about 2578.4526367572. The cubic root of 6648418 is about 188.0353223204.

It can be divided in two parts, 66 and 48418, that added together give a palindrome (48484).

The spelling of 6648418 in words is "six million, six hundred forty-eight thousand, four hundred eighteen".