195653612 has 144 divisors (see below), whose sum is σ = 471905280. Its totient is φ = 69189120.

The previous prime is 195653611. The next prime is 195653639. The reversal of 195653612 is 216356591.

195653612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (195653611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2476589 + ... + 2476667.

It is an arithmetic number, because the mean of its divisors is an integer number (3277120).

Almost surely, 2^195653612 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 195653612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235952640).

195653612 is an abundant number, since it is smaller than the sum of its proper divisors (276251668).

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

195653612 is a wasteful number, since it uses less digits than its factorization.

195653612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 159 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 195653612 is about 13987.6235293920. The cubic root of 195653612 is about 580.5361787726.

The spelling of 195653612 in words is "one hundred ninety-five million, six hundred fifty-three thousand, six hundred twelve".