200661057205 has 16 divisors (see below), whose sum is σ = 276404618880. Its totient is φ = 136989997632.

The previous prime is 200661057203. The next prime is 200661057227. The reversal of 200661057205 is 502750166002.

It is a cyclic number.

It is not a de Polignac number, because 200661057205 - 2¹ = 200661057203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200661057203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12620190 + ... + 12636079.

It is an arithmetic number, because the mean of its divisors is an integer number (17275288680).

Almost surely, 2^200661057205 is an apocalyptic number.

It is an amenable number.

200661057205 is a deficient number, since it is larger than the sum of its proper divisors (75743561675).

200661057205 is a wasteful number, since it uses less digits than its factorization.

200661057205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256508.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 200661057205 in words is "two hundred billion, six hundred sixty-one million, fifty-seven thousand, two hundred five".