206216650 has 48 divisors (see below), whose sum is σ = 398331648. Its totient is φ = 79344000.

The previous prime is 206216629. The next prime is 206216653. The reversal of 206216650 is 56612602.

206216650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206216653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360865 + ... + 361435.

It is an arithmetic number, because the mean of its divisors is an integer number (8298576).

Almost surely, 2^206216650 is an apocalyptic number.

206216650 is a deficient number, since it is larger than the sum of its proper divisors (192114998).

206216650 is a wasteful number, since it uses less digits than its factorization.

206216650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 206216650 is about 14360.2454714395. The cubic root of 206216650 is about 590.8010282220.

The spelling of 206216650 in words is "two hundred six million, two hundred sixteen thousand, six hundred fifty".