204653568 has 176 divisors, whose sum is σ = 645607424. Its totient is φ = 56401920.

The previous prime is 204653521. The next prime is 204653569. The reversal of 204653568 is 865356402.

204653568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204653569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666471 + ... + 666777.

It is an arithmetic number, because the mean of its divisors is an integer number (3668224).

Almost surely, 2^204653568 is an apocalyptic number.

204653568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204653568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322803712).

204653568 is an abundant number, since it is smaller than the sum of its proper divisors (440953856).

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

204653568 is a wasteful number, since it uses less digits than its factorization.

204653568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 204653568 is about 14305.7180176320. The cubic root of 204653568 is about 589.3045218859.

The spelling of 204653568 in words is "two hundred four million, six hundred fifty-three thousand, five hundred sixty-eight".