6648132 has 12 divisors (see below), whose sum is σ = 15512336. Its totient is φ = 2216040.

The previous prime is 6648121. The next prime is 6648133. The reversal of 6648132 is 2318466.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 6648132.

It is not an unprimeable number, because it can be changed into a prime (6648133) 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, 276994 + ... + 277017.

Almost surely, 2^6648132 is an apocalyptic number.

It is an amenable number.

6648132 is an abundant number, since it is smaller than the sum of its proper divisors (8864204).

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

6648132 is a wasteful number, since it uses less digits than its factorization.

6648132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554018 (or 554016 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 6648132 is about 2578.3971765420. The cubic root of 6648132 is about 188.0326259960.

The spelling of 6648132 in words is "six million, six hundred forty-eight thousand, one hundred thirty-two".