206005798944 has 108 divisors (see below), whose sum is σ = 643927842558. Its totient is φ = 62425989120.

The previous prime is 206005798937. The next prime is 206005798961. The reversal of 206005798944 is 449897500602.

206005798944 is a `hidden beast` number, since 2 + 0 + 60 + 0 + 579 + 8 + 9 + 4 + 4 = 666.

206005798944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 196592918544 + 9412880400 = 443388^2 + 97020^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2920929 + ... + 2990624.

Almost surely, 2^206005798944 is an apocalyptic number.

206005798944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206005798944 is an abundant number, since it is smaller than the sum of its proper divisors (437922043614).

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

206005798944 is a wasteful number, since it uses less digits than its factorization.

206005798944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911591 (or 5911569 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 206005798944 in words is "two hundred six billion, five million, seven hundred ninety-eight thousand, nine hundred forty-four".