195663068160 has 1056 divisors, whose sum is σ = 774225838080. Its totient is φ = 41964797952.

The previous prime is 195663068149. The next prime is 195663068171. The reversal of 195663068160 is 61860366591.

It is an interprime number because it is at equal distance from previous prime (195663068149) and next prime (195663068171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1540654017 + ... + 1540654143.

Almost surely, 2^195663068160 is an apocalyptic number.

195663068160 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 195663068160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387112919040).

195663068160 is an abundant number, since it is smaller than the sum of its proper divisors (578562769920).

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

195663068160 is a wasteful number, since it uses less digits than its factorization.

195663068160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 195663068160 in words is "one hundred ninety-five billion, six hundred sixty-three million, sixty-eight thousand, one hundred sixty".