204004532616065 has 8 divisors (see below), whose sum is σ = 255449153884608. Its totient is φ = 156107816262640.

The previous prime is 204004532615977. The next prime is 204004532616107. The reversal of 204004532616065 is 560616235400402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204004532616065 - 2²⁰ = 204004531567489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886976228651 + ... + 886976228880.

It is an arithmetic number, because the mean of its divisors is an integer number (31931144235576).

Almost surely, 2^{204004532616065} is an apocalyptic number.

It is an amenable number.

204004532616065 is a deficient number, since it is larger than the sum of its proper divisors (51444621268543).

204004532616065 is a wasteful number, since it uses less digits than its factorization.

204004532616065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773952457559.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 204004532616065 in words is "two hundred four trillion, four billion, five hundred thirty-two million, six hundred sixteen thousand, sixty-five".