195673771016 has 8 divisors (see below), whose sum is σ = 366888320670. Its totient is φ = 97836885504.

The previous prime is 195673771009. The next prime is 195673771021. The reversal of 195673771016 is 610177376591.

It can be written as a sum of positive squares in only one way, i.e., 128357392900 + 67316378116 = 358270^2 + 259454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12229610681 + ... + 12229610696.

Almost surely, 2^195673771016 is an apocalyptic number.

It is an amenable number.

195673771016 is a deficient number, since it is larger than the sum of its proper divisors (171214549654).

195673771016 is a wasteful number, since it uses less digits than its factorization.

195673771016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24459221383 (or 24459221379 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 53.

The spelling of 195673771016 in words is "one hundred ninety-five billion, six hundred seventy-three million, seven hundred seventy-one thousand, sixteen".