204104106456 has 16 divisors (see below), whose sum is σ = 510260266200. Its totient is φ = 68034702144.

The previous prime is 204104106443. The next prime is 204104106517. The reversal of 204104106456 is 654601401402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4252168861 + ... + 4252168908.

Almost surely, 2^204104106456 is an apocalyptic number.

It is an amenable number.

204104106456 is an abundant number, since it is smaller than the sum of its proper divisors (306156159744).

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

204104106456 is a wasteful number, since it uses less digits than its factorization.

204104106456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504337778 (or 8504337774 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 204104106456 its reverse (654601401402), we get a palindrome (858705507858).

The spelling of 204104106456 in words is "two hundred four billion, one hundred four million, one hundred six thousand, four hundred fifty-six".