6618648 has 32 divisors (see below), whose sum is σ = 16637760. Its totient is φ = 2194080.

The previous prime is 6618617. The next prime is 6618653. The reversal of 6618648 is 8468166.

6618648 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (519930).

Almost surely, 2^6618648 is an apocalyptic number.

It is an amenable number.

6618648 is an abundant number, since it is smaller than the sum of its proper divisors (10019112).

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

6618648 is a wasteful number, since it uses less digits than its factorization.

6618648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1523 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 6618648 is about 2572.6733177767. The cubic root of 6618648 is about 187.7542435431.

The spelling of 6618648 in words is "six million, six hundred eighteen thousand, six hundred forty-eight".