2066647896 has 24 divisors (see below), whose sum is σ = 5597171580. Its totient is φ = 688882608.

The previous prime is 2066647889. The next prime is 2066647937. The reversal of 2066647896 is 6987466602.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14351650 + ... + 14351793.

Almost surely, 2^2066647896 is an apocalyptic number.

It is an amenable number.

2066647896 is an abundant number, since it is smaller than the sum of its proper divisors (3530523684).

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

2066647896 is a wasteful number, since it uses less digits than its factorization.

2066647896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28703455 (or 28703448 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 2066647896 is about 45460.3992063422. The cubic root of 2066647896 is about 1273.7635884785.

The spelling of 2066647896 in words is "two billion, sixty-six million, six hundred forty-seven thousand, eight hundred ninety-six".