195611144 has 16 divisors (see below), whose sum is σ = 370403820. Its totient is φ = 96836800.

The previous prime is 195611057. The next prime is 195611153. The reversal of 195611144 is 441116591.

It can be written as a sum of positive squares in 2 ways, for example, as 191490244 + 4120900 = 13838^2 + 2030^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 195611144.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 120239 + ... + 121854.

Almost surely, 2^195611144 is an apocalyptic number.

It is an amenable number.

195611144 is a deficient number, since it is larger than the sum of its proper divisors (174792676).

195611144 is a wasteful number, since it uses less digits than its factorization.

195611144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242200 (or 242196 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 195611144 is about 13986.1053907083. The cubic root of 195611144 is about 580.4941725723.

The spelling of 195611144 in words is "one hundred ninety-five million, six hundred eleven thousand, one hundred forty-four".