206666050 has 24 divisors (see below), whose sum is σ = 392582016. Its totient is φ = 80906640.

The previous prime is 206666023. The next prime is 206666087. The reversal of 206666050 is 50666602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41622 + ... + 46321.

It is an arithmetic number, because the mean of its divisors is an integer number (16357584).

Almost surely, 2^206666050 is an apocalyptic number.

206666050 is a deficient number, since it is larger than the sum of its proper divisors (185915966).

206666050 is a wasteful number, since it uses less digits than its factorization.

206666050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88002 (or 87997 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 206666050 is about 14375.8843206253. The cubic root of 206666050 is about 591.2298868136.

The spelling of 206666050 in words is "two hundred six million, six hundred sixty-six thousand, fifty".