6662128 has 20 divisors (see below), whose sum is σ = 14081688. Its totient is φ = 3028160.

The previous prime is 6662101. The next prime is 6662137. The reversal of 6662128 is 8212666.

It is a self number, because there is not a number n which added to its sum of digits gives 6662128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18751 + ... + 19102.

Almost surely, 2^6662128 is an apocalyptic number.

It is an amenable number.

6662128 is an abundant number, since it is smaller than the sum of its proper divisors (7419560).

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

6662128 is a wasteful number, since it uses less digits than its factorization.

6662128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37872 (or 37866 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 6662128 is about 2581.1098388097. The cubic root of 6662128 is about 188.1644855915.

The spelling of 6662128 in words is "six million, six hundred sixty-two thousand, one hundred twenty-eight".