6648716 has 12 divisors (see below), whose sum is σ = 11659032. Its totient is φ = 3317568.

The previous prime is 6648713. The next prime is 6648721. The reversal of 6648716 is 6178466.

It is a self number, because there is not a number n which added to its sum of digits gives 6648716.

It is not an unprimeable number, because it can be changed into a prime (6648713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (971586).

Almost surely, 2^6648716 is an apocalyptic number.

It is an amenable number.

6648716 is a deficient number, since it is larger than the sum of its proper divisors (5010316).

6648716 is a wasteful number, since it uses less digits than its factorization.

6648716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400 (or 3398 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 6648716 is about 2578.5104227053. The cubic root of 6648716 is about 188.0381316949.

The spelling of 6648716 in words is "six million, six hundred forty-eight thousand, seven hundred sixteen".