200006644664 has 8 divisors (see below), whose sum is σ = 375012458760. Its totient is φ = 100003322328.

The previous prime is 200006644639. The next prime is 200006644759. The reversal of 200006644664 is 466446600002.

200006644664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500415284 + ... + 12500415299.

It is an arithmetic number, because the mean of its divisors is an integer number (46876557345).

Almost surely, 2^200006644664 is an apocalyptic number.

It is an amenable number.

200006644664 is a deficient number, since it is larger than the sum of its proper divisors (175005814096).

200006644664 is a wasteful number, since it uses less digits than its factorization.

200006644664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000830589 (or 25000830585 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 200006644664 in words is "two hundred billion, six million, six hundred forty-four thousand, six hundred sixty-four".