195359851000 has 128 divisors (see below), whose sum is σ = 462429077760. Its totient is φ = 77243472000.

The previous prime is 195359850991. The next prime is 195359851003. The reversal of 195359851000 is 158953591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195359851003) 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, 55959255 + ... + 55962745.

It is an arithmetic number, because the mean of its divisors is an integer number (3612727170).

Almost surely, 2^195359851000 is an apocalyptic number.

195359851000 is a gapful number since it is divisible by the number (10) 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 195359851000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231214538880).

195359851000 is an abundant number, since it is smaller than the sum of its proper divisors (267069226760).

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

195359851000 is a wasteful number, since it uses less digits than its factorization.

195359851000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4128 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 195359851000 in words is "one hundred ninety-five billion, three hundred fifty-nine million, eight hundred fifty-one thousand".