195660116747872 has 96 divisors (see below), whose sum is σ = 455433760289088. Its totient is φ = 80992469016576.

The previous prime is 195660116747867. The next prime is 195660116747929. The reversal of 195660116747872 is 278747611066591.

195660116747872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195660116747872² (a number of 29 digits) contains 22 as substring.

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, 85023813 + ... + 87294724.

It is an arithmetic number, because the mean of its divisors is an integer number (4744101669678).

Almost surely, 2^{195660116747872} is an apocalyptic number.

It is an amenable number.

195660116747872 is an abundant number, since it is smaller than the sum of its proper divisors (259773643541216).

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

195660116747872 is a wasteful number, since it uses less digits than its factorization.

195660116747872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172318728 (or 172318720 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 70.

The spelling of 195660116747872 in words is "one hundred ninety-five trillion, six hundred sixty billion, one hundred sixteen million, seven hundred forty-seven thousand, eight hundred seventy-two".