206605116 has 18 divisors (see below), whose sum is σ = 522251912. Its totient is φ = 68868360.

The previous prime is 206605099. The next prime is 206605117. The reversal of 206605116 is 611506602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 206605116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206605117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2869480 + ... + 2869551.

Almost surely, 2^206605116 is an apocalyptic number.

It is an amenable number.

206605116 is an abundant number, since it is smaller than the sum of its proper divisors (315646796).

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

206605116 is a wasteful number, since it uses less digits than its factorization.

206605116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739041 (or 5739036 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 206605116 is about 14373.7648512837. The cubic root of 206605116 is about 591.1717744738.

The spelling of 206605116 in words is "two hundred six million, six hundred five thousand, one hundred sixteen".