204062646065 has 8 divisors (see below), whose sum is σ = 249495461928. Its totient is φ = 160169925760.

The previous prime is 204062646041. The next prime is 204062646097. The reversal of 204062646065 is 560646260402.

It can be written as a sum of positive squares in 4 ways, for example, as 3400755856 + 200661890209 = 58316^2 + 447953^2 .

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

It is not a de Polignac number, because 204062646065 - 2⁶ = 204062646001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385023596 + ... + 385024125.

It is an arithmetic number, because the mean of its divisors is an integer number (31186932741).

Almost surely, 2^204062646065 is an apocalyptic number.

It is an amenable number.

204062646065 is a deficient number, since it is larger than the sum of its proper divisors (45432815863).

204062646065 is an equidigital number, since it uses as much as digits as its factorization.

204062646065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770047779.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 204062646065 in words is "two hundred four billion, sixty-two million, six hundred forty-six thousand, sixty-five".