2066644624 has 20 divisors (see below), whose sum is σ = 4368135600. Its totient is φ = 939383840.

The previous prime is 2066644597. The next prime is 2066644631. The reversal of 2066644624 is 4264466602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5870974 + ... + 5871325.

It is an arithmetic number, because the mean of its divisors is an integer number (218406780).

Almost surely, 2^2066644624 is an apocalyptic number.

It is an amenable number.

2066644624 is an abundant number, since it is smaller than the sum of its proper divisors (2301490976).

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

2066644624 is a wasteful number, since it uses less digits than its factorization.

2066644624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11742318 (or 11742312 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 2066644624 is about 45460.3632189625. The cubic root of 2066644624 is about 1273.7629162536.

The spelling of 2066644624 in words is "two billion, sixty-six million, six hundred forty-four thousand, six hundred twenty-four".