195664280244 has 12 divisors (see below), whose sum is σ = 456549987264. Its totient is φ = 65221426744.

The previous prime is 195664280183. The next prime is 195664280297. The reversal of 195664280244 is 442082466591.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8152678332 + ... + 8152678355.

It is an arithmetic number, because the mean of its divisors is an integer number (38045832272).

Almost surely, 2^195664280244 is an apocalyptic number.

It is an amenable number.

195664280244 is an abundant number, since it is smaller than the sum of its proper divisors (260885707020).

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

195664280244 is a wasteful number, since it uses less digits than its factorization.

195664280244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16305356694 (or 16305356692 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 195664280244 in words is "one hundred ninety-five billion, six hundred sixty-four million, two hundred eighty thousand, two hundred forty-four".