6630128 has 10 divisors (see below), whose sum is σ = 12845904. Its totient is φ = 3315056.

The previous prime is 6630121. The next prime is 6630131. The reversal of 6630128 is 8210366.

It is a junction number, because it is equal to n+sod(n) for n = 6630097 and 6630106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630121) 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 as a sum of consecutive naturals, namely, 207176 + ... + 207207.

Almost surely, 2^6630128 is an apocalyptic number.

It is an amenable number.

6630128 is a deficient number, since it is larger than the sum of its proper divisors (6215776).

6630128 is a wasteful number, since it uses less digits than its factorization.

6630128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414391 (or 414385 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6630128 is about 2574.9034933372. The cubic root of 6630128 is about 187.8627336622.

The spelling of 6630128 in words is "six million, six hundred thirty thousand, one hundred twenty-eight".