195365668560 has 80 divisors (see below), whose sum is σ = 606339257280. Its totient is φ = 52036807680.

The previous prime is 195365668543. The next prime is 195365668627. The reversal of 195365668560 is 65866563591.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a junction number, because it is equal to n+sod(n) for n = 195365668494 and 195365668503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267661 + ... + 679980.

It is an arithmetic number, because the mean of its divisors is an integer number (7579240716).

Almost surely, 2^195365668560 is an apocalyptic number.

195365668560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195365668560 is an abundant number, since it is smaller than the sum of its proper divisors (410973588720).

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

195365668560 is a wasteful number, since it uses less digits than its factorization.

195365668560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948516 (or 948510 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 60.

The spelling of 195365668560 in words is "one hundred ninety-five billion, three hundred sixty-five million, six hundred sixty-eight thousand, five hundred sixty".