2066128 has 20 divisors (see below), whose sum is σ = 4026528. Its totient is φ = 1027040.

The previous prime is 2066123. The next prime is 2066137. The reversal of 2066128 is 8216602.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066123) 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, 3963 + ... + 4453.

2^2066128 is an apocalyptic number.

It is an amenable number.

2066128 is a deficient number, since it is larger than the sum of its proper divisors (1960400).

2066128 is a wasteful number, since it uses less digits than its factorization.

2066128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2066128 is about 1437.4032141330. The cubic root of 2066128 is about 127.3656768132.

The spelling of 2066128 in words is "two million, sixty-six thousand, one hundred twenty-eight".