200644664 has 16 divisors (see below), whose sum is σ = 410409720. Its totient is φ = 91202080.

The previous prime is 200644643. The next prime is 200644667. The reversal of 200644664 is 466446002.

It is a self number, because there is not a number n which added to its sum of digits gives 200644664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200644667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139939 + ... + 1140114.

Almost surely, 2^200644664 is an apocalyptic number.

It is an amenable number.

200644664 is an abundant number, since it is smaller than the sum of its proper divisors (209765056).

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

200644664 is a wasteful number, since it uses less digits than its factorization.

200644664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280070 (or 2280066 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 200644664 is about 14164.9096008411. The cubic root of 200644664 is about 585.4312100630.

The spelling of 200644664 in words is "two hundred million, six hundred forty-four thousand, six hundred sixty-four".