195384191309520 has 160 divisors (see below), whose sum is σ = 620521453085184. Its totient is φ = 50826948096000.

The previous prime is 195384191309519. The next prime is 195384191309617. The reversal of 195384191309520 is 25903191483591.

195384191309520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195384191309520² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105878745 + ... + 107708295.

Almost surely, 2^{195384191309520} is an apocalyptic number.

195384191309520 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 195384191309520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310260726542592).

195384191309520 is an abundant number, since it is smaller than the sum of its proper divisors (425137261775664).

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

195384191309520 is a wasteful number, since it uses less digits than its factorization.

195384191309520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840461 (or 1840455 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 195384191309520 in words is "one hundred ninety-five trillion, three hundred eighty-four billion, one hundred ninety-one million, three hundred nine thousand, five hundred twenty".