195918733712 has 180 divisors, whose sum is σ = 435276854784. Its totient is φ = 85261213440.

The previous prime is 195918733711. The next prime is 195918733729. The reversal of 195918733712 is 217337819591.

It is not an unprimeable number, because it can be changed into a prime (195918733711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 878559233 + ... + 878559455.

Almost surely, 2^195918733712 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 195918733712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217638427392).

195918733712 is an abundant number, since it is smaller than the sum of its proper divisors (239358121072).

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

195918733712 is a wasteful number, since it uses less digits than its factorization.

195918733712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 316 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 56.

The spelling of 195918733712 in words is "one hundred ninety-five billion, nine hundred eighteen million, seven hundred thirty-three thousand, seven hundred twelve".