195836768 has 48 divisors (see below), whose sum is σ = 400800960. Its totient is φ = 94080000.

The previous prime is 195836723. The next prime is 195836777. The reversal of 195836768 is 867638591.

It is a happy number.

195836768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 260393 + ... + 261143.

It is an arithmetic number, because the mean of its divisors is an integer number (8350020).

Almost surely, 2^195836768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195836768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200400480).

195836768 is an abundant number, since it is smaller than the sum of its proper divisors (204964192).

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

195836768 is a wasteful number, since it uses less digits than its factorization.

195836768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1063 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 195836768 is about 13994.1690714383. The cubic root of 195836768 is about 580.7172735172.

The spelling of 195836768 in words is "one hundred ninety-five million, eight hundred thirty-six thousand, seven hundred sixty-eight".