204322646656325 has 6 divisors (see below), whose sum is σ = 253360081853874. Its totient is φ = 163458117325040.

The previous prime is 204322646656319. The next prime is 204322646656441. The reversal of 204322646656325 is 523656646223402.

It can be written as a sum of positive squares in 3 ways, for example, as 1504061865604 + 202818584790721 = 1226402^2 + 14241439^2 .

It is not a de Polignac number, because 204322646656325 - 2¹⁶ = 204322646590789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4086452933102 + ... + 4086452933151.

It is an arithmetic number, because the mean of its divisors is an integer number (42226680308979).

Almost surely, 2^{204322646656325} is an apocalyptic number.

204322646656325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204322646656325 is a deficient number, since it is larger than the sum of its proper divisors (49037435197549).

204322646656325 is an equidigital number, since it uses as much as digits as its factorization.

204322646656325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172905866263 (or 8172905866258 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 204322646656325 in words is "two hundred four trillion, three hundred twenty-two billion, six hundred forty-six million, six hundred fifty-six thousand, three hundred twenty-five".