195845191936 has 81 divisors (see below), whose sum is σ = 415529051889. Its totient is φ = 92105797632.

The previous prime is 195845191933. The next prime is 195845191957. The reversal of 195845191936 is 639191548591.

The square root of 195845191936 is 442544.

It is a perfect power (a square), and thus also a powerful number.

195845191936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 152474630400 + 43370561536 = 390480^2 + 208256^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195845191931) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120371155 + ... + 120372781.

Almost surely, 2^195845191936 is an apocalyptic number.

195845191936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

195845191936 is the 442544-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195845191936

195845191936 is an abundant number, since it is smaller than the sum of its proper divisors (219683859953).

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

195845191936 is an frugal number, since it uses more digits than its factorization.

195845191936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304 (or 1646 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 61.

The spelling of 195845191936 in words is "one hundred ninety-five billion, eight hundred forty-five million, one hundred ninety-one thousand, nine hundred thirty-six".