6601128 has 16 divisors (see below), whose sum is σ = 16502880. Its totient is φ = 2200368.

The previous prime is 6601093. The next prime is 6601129. The reversal of 6601128 is 8211066.

6601128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 275047 = 6601128 / (6 + 6 + 0 + 1 + 1 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 6601098 and 6601107.

It is not an unprimeable number, because it can be changed into a prime (6601129) 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 3 ways as a sum of consecutive naturals, for example, 137500 + ... + 137547.

It is an arithmetic number, because the mean of its divisors is an integer number (1031430).

Almost surely, 2^6601128 is an apocalyptic number.

It is an amenable number.

6601128 is an abundant number, since it is smaller than the sum of its proper divisors (9901752).

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

6601128 is a wasteful number, since it uses less digits than its factorization.

6601128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275056 (or 275052 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 6601128 is about 2569.2660430559. The cubic root of 6601128 is about 187.5884311753.

The spelling of 6601128 in words is "six million, six hundred one thousand, one hundred twenty-eight".