206608100 has 18 divisors (see below), whose sum is σ = 448339794. Its totient is φ = 82643200.

The previous prime is 206608097. The next prime is 206608141. The reversal of 206608100 is 1806602.

206608100 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 341056 + 206267044 = 584^2 + 14362^2 .

It is a super-2 number, since 2×206608100² = 85373813971220000, which contains 22 as substring.

206608100 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032941 + ... + 1033140.

Almost surely, 2^206608100 is an apocalyptic number.

206608100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206608100 is an abundant number, since it is smaller than the sum of its proper divisors (241731694).

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

206608100 is a wasteful number, since it uses less digits than its factorization.

206608100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066095 (or 2066088 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 206608100 is about 14373.8686511322. The cubic root of 206608100 is about 591.1746205603.

The spelling of 206608100 in words is "two hundred six million, six hundred eight thousand, one hundred".