200066646 has 16 divisors (see below), whose sum is σ = 430912944. Its totient is φ = 61558944.

The previous prime is 200066617. The next prime is 200066651. The reversal of 200066646 is 646660002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282401 + ... + 1282556.

It is an arithmetic number, because the mean of its divisors is an integer number (26932059).

Almost surely, 2^200066646 is an apocalyptic number.

200066646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

200066646 is an abundant number, since it is smaller than the sum of its proper divisors (230846298).

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

200066646 is a wasteful number, since it uses less digits than its factorization.

200066646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564975.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 200066646 is about 14144.4917193938. The cubic root of 200066646 is about 584.8684984573.

The spelling of 200066646 in words is "two hundred million, sixty-six thousand, six hundred forty-six".