200666249 has 8 divisors (see below), whose sum is σ = 242823168. Its totient is φ = 161881920.

The previous prime is 200666243. The next prime is 200666261. The reversal of 200666249 is 942666002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200666249 - 2⁴ = 200666233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200666243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 843017 + ... + 843254.

It is an arithmetic number, because the mean of its divisors is an integer number (30352896).

Almost surely, 2^200666249 is an apocalyptic number.

It is an amenable number.

200666249 is a deficient number, since it is larger than the sum of its proper divisors (42156919).

200666249 is a wasteful number, since it uses less digits than its factorization.

200666249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686295.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 200666249 is about 14165.6714983795. The cubic root of 200666249 is about 585.4522025301.

The spelling of 200666249 in words is "two hundred million, six hundred sixty-six thousand, two hundred forty-nine".