204046641610564 has 6 divisors (see below), whose sum is σ = 357081622818494. Its totient is φ = 102023320805280.

The previous prime is 204046641610561. The next prime is 204046641610573. The reversal of 204046641610564 is 465016146640402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 196960397610564 + 7086244000000 = 14034258^2 + 2662000^2 .

It is not an unprimeable number, because it can be changed into a prime (204046641610561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505830201317 + ... + 25505830201324.

Almost surely, 2^{204046641610564} is an apocalyptic number.

It is an amenable number.

204046641610564 is a deficient number, since it is larger than the sum of its proper divisors (153034981207930).

204046641610564 is a wasteful number, since it uses less digits than its factorization.

204046641610564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51011660402645 (or 51011660402643 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 204046641610564 in words is "two hundred four trillion, forty-six billion, six hundred forty-one million, six hundred ten thousand, five hundred sixty-four".