205168256 has 32 divisors (see below), whose sum is σ = 419790180. Its totient is φ = 99809280.

The previous prime is 205168241. The next prime is 205168259. The reversal of 205168256 is 652861502.

It can be written as a sum of positive squares in 2 ways, for example, as 166926400 + 38241856 = 12920^2 + 6184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (205168259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16925 + ... + 26396.

Almost surely, 2^205168256 is an apocalyptic number.

It is an amenable number.

205168256 is an abundant number, since it is smaller than the sum of its proper divisors (214621924).

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

205168256 is an equidigital number, since it uses as much as digits as its factorization.

205168256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43372 (or 43360 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 205168256 is about 14323.6956125156. The cubic root of 205168256 is about 589.7981268561.

It can be divided in two parts, 2051 and 68256, that added together give a palindrome (70307).

The spelling of 205168256 in words is "two hundred five million, one hundred sixty-eight thousand, two hundred fifty-six".