195898164494444 has 12 divisors (see below), whose sum is σ = 343019607720384. Its totient is φ = 97892562288624.

The previous prime is 195898164494423. The next prime is 195898164494479. The reversal of 195898164494444 is 444494461898591.

It is a super-2 number, since 2×195898164494444² (a number of 29 digits) contains 22 as substring.

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, 14129981852 + ... + 14129995715.

It is an arithmetic number, because the mean of its divisors is an integer number (28584967310032).

Almost surely, 2^{195898164494444} is an apocalyptic number.

It is an amenable number.

195898164494444 is a deficient number, since it is larger than the sum of its proper divisors (147121443225940).

195898164494444 is a wasteful number, since it uses less digits than its factorization.

195898164494444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28259979304 (or 28259979302 counting only the distinct ones).

The product of its digits is 5733089280, while the sum is 80.

The spelling of 195898164494444 in words is "one hundred ninety-five trillion, eight hundred ninety-eight billion, one hundred sixty-four million, four hundred ninety-four thousand, four hundred forty-four".