195995648 has 24 divisors (see below), whose sum is σ = 391899690. Its totient is φ = 97996800.

The previous prime is 195995647. The next prime is 195995707. The reversal of 195995648 is 846599591.

It can be written as a sum of positive squares in only one way, i.e., 181494784 + 14500864 = 13472^2 + 3808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 195995593 and 195995602.

It is not an unprimeable number, because it can be changed into a prime (195995647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45803 + ... + 49898.

Almost surely, 2^195995648 is an apocalyptic number.

It is an amenable number.

195995648 is a deficient number, since it is larger than the sum of its proper divisors (195904042).

195995648 is an frugal number, since it uses more digits than its factorization.

195995648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95723 (or 95703 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 56.

The square root of 195995648 is about 13999.8445705658. The cubic root of 195995648 is about 580.8742740328.

The spelling of 195995648 in words is "one hundred ninety-five million, nine hundred ninety-five thousand, six hundred forty-eight".