195728568 has 32 divisors (see below), whose sum is σ = 559224960. Its totient is φ = 55922400.

The previous prime is 195728563. The next prime is 195728579. The reversal of 195728568 is 865827591.

195728568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 195728568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195728563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582358 + ... + 582693.

It is an arithmetic number, because the mean of its divisors is an integer number (17475780).

Almost surely, 2^195728568 is an apocalyptic number.

It is an amenable number.

195728568 is an abundant number, since it is smaller than the sum of its proper divisors (363496392).

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

195728568 is a wasteful number, since it uses less digits than its factorization.

195728568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165067 (or 1165063 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 51.

The square root of 195728568 is about 13990.3026414728. The cubic root of 195728568 is about 580.6103048666.

The spelling of 195728568 in words is "one hundred ninety-five million, seven hundred twenty-eight thousand, five hundred sixty-eight".