195197506560 has 1232 divisors, whose sum is σ = 831657649152. Its totient is φ = 42998169600.

The previous prime is 195197506547. The next prime is 195197506577. The reversal of 195197506560 is 65605791591.

195197506560 is a `hidden beast` number, since 1 + 9 + 5 + 1 + 9 + 75 + 0 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 195197506497 and 195197506506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 809948040 + ... + 809948280.

Almost surely, 2^195197506560 is an apocalyptic number.

195197506560 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 195197506560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415828824576).

195197506560 is an abundant number, since it is smaller than the sum of its proper divisors (636460142592).

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

195197506560 is an equidigital number, since it uses as much as digits as its factorization.

195197506560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 54.

The spelling of 195197506560 in words is "one hundred ninety-five billion, one hundred ninety-seven million, five hundred six thousand, five hundred sixty".