195717760000 has 495 divisors, whose sum is σ = 576009335979. Its totient is φ = 66253824000.

The previous prime is 195717759949. The next prime is 195717760027. The reversal of 195717760000 is 67717591.

It is a happy number.

The square root of 195717760000 is 442400.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 15344272384 + 180373487616 = 123872^2 + 424704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2477439961 + ... + 2477440039.

Almost surely, 2^195717760000 is an apocalyptic number.

195717760000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195717760000 is the 442400-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195717760000

195717760000 is an abundant number, since it is smaller than the sum of its proper divisors (380291575979).

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

195717760000 is an frugal number, since it uses more digits than its factorization.

195717760000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 43.

The spelling of 195717760000 in words is "one hundred ninety-five billion, seven hundred seventeen million, seven hundred sixty thousand".