206485056 has 84 divisors (see below), whose sum is σ = 596341200. Its totient is φ = 68306688.

The previous prime is 206485051. The next prime is 206485063. The reversal of 206485056 is 650584602.

206485056 is a `hidden beast` number, since 2 + 0 + 648 + 5 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 206485056.

It is not an unprimeable number, because it can be changed into a prime (206485051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78775 + ... + 81353.

It is an arithmetic number, because the mean of its divisors is an integer number (7099300).

Almost surely, 2^206485056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206485056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298170600).

206485056 is an abundant number, since it is smaller than the sum of its proper divisors (389856144).

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

206485056 is a wasteful number, since it uses less digits than its factorization.

206485056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 206485056 is about 14369.5878855310. The cubic root of 206485056 is about 591.0572406273.

The spelling of 206485056 in words is "two hundred six million, four hundred eighty-five thousand, fifty-six".