195331943268 has 288 divisors, whose sum is σ = 637579837440. Its totient is φ = 48934368000.

The previous prime is 195331943231. The next prime is 195331943269. The reversal of 195331943268 is 862349133591.

195331943268 is a `hidden beast` number, since 1 + 9 + 5 + 331 + 9 + 43 + 268 = 666.

It is not an unprimeable number, because it can be changed into a prime (195331943269) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26721198 + ... + 26728506.

It is an arithmetic number, because the mean of its divisors is an integer number (2213818880).

Almost surely, 2^195331943268 is an apocalyptic number.

195331943268 is a gapful number since it is divisible by the number (18) 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 195331943268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318789918720).

195331943268 is an abundant number, since it is smaller than the sum of its proper divisors (442247894172).

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

195331943268 is a wasteful number, since it uses less digits than its factorization.

195331943268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679 (or 7674 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

It can be divided in two parts, 19533 and 1943268, that added together give a square (1962801 = 1401²).

The spelling of 195331943268 in words is "one hundred ninety-five billion, three hundred thirty-one million, nine hundred forty-three thousand, two hundred sixty-eight".