205843868046 has 48 divisors (see below), whose sum is σ = 452721042384. Its totient is φ = 67580168832.

The previous prime is 205843868033. The next prime is 205843868089. The reversal of 205843868046 is 640868348502.

205843868046 is a `hidden beast` number, since 20 + 584 + 38 + 6 + 8 + 0 + 4 + 6 = 666.

205843868046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205843867983 and 205843868001.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 15132120 + ... + 15145716.

It is an arithmetic number, because the mean of its divisors is an integer number (9431688383).

Almost surely, 2^205843868046 is an apocalyptic number.

205843868046 is an abundant number, since it is smaller than the sum of its proper divisors (246877174338).

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

205843868046 is a wasteful number, since it uses less digits than its factorization.

205843868046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225 (or 26222 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 205843868046 in words is "two hundred five billion, eight hundred forty-three million, eight hundred sixty-eight thousand, forty-six".