195995486299520 has 256 divisors, whose sum is σ = 485910666201600. Its totient is φ = 75517604659200.

The previous prime is 195995486299499. The next prime is 195995486299553. The reversal of 195995486299520 is 25992684599591.

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, 7184308280 + ... + 7184335560.

It is an arithmetic number, because the mean of its divisors is an integer number (1898088539850).

Almost surely, 2^{195995486299520} is an apocalyptic number.

195995486299520 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 195995486299520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242955333100800).

195995486299520 is an abundant number, since it is smaller than the sum of its proper divisors (289915179902080).

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

195995486299520 is a wasteful number, since it uses less digits than its factorization.

195995486299520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997 (or 28985 counting only the distinct ones).

The product of its (nonzero) digits is 5668704000, while the sum is 83.

The spelling of 195995486299520 in words is "one hundred ninety-five trillion, nine hundred ninety-five billion, four hundred eighty-six million, two hundred ninety-nine thousand, five hundred twenty".