200055866 has 16 divisors (see below), whose sum is σ = 307469184. Its totient is φ = 97572384.

The previous prime is 200055841. The next prime is 200055871. The reversal of 200055866 is 668550002.

It is a happy 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, 113246 + ... + 114998.

It is an arithmetic number, because the mean of its divisors is an integer number (19216824).

Almost surely, 2^200055866 is an apocalyptic number.

200055866 is a deficient number, since it is larger than the sum of its proper divisors (107413318).

200055866 is a wasteful number, since it uses less digits than its factorization.

200055866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 200055866 is about 14144.1106471916. The cubic root of 200055866 is about 584.8579936317.

The spelling of 200055866 in words is "two hundred million, fifty-five thousand, eight hundred sixty-six".