195093618944 has 288 divisors, whose sum is σ = 490809989376. Its totient is φ = 75485675520.

The previous prime is 195093618919. The next prime is 195093618947. The reversal of 195093618944 is 449816390591.

It is not an unprimeable number, because it can be changed into a prime (195093618947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82282079 + ... + 82284449.

It is an arithmetic number, because the mean of its divisors is an integer number (1704201352).

Almost surely, 2^195093618944 is an apocalyptic number.

195093618944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195093618944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245404994688).

195093618944 is an abundant number, since it is smaller than the sum of its proper divisors (295716370432).

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

195093618944 is a wasteful number, since it uses less digits than its factorization.

195093618944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 195093618944 in words is "one hundred ninety-five billion, ninety-three million, six hundred eighteen thousand, nine hundred forty-four".