195146614856 has 8 divisors (see below), whose sum is σ = 365899902870. Its totient is φ = 97573307424.

The previous prime is 195146614843. The next prime is 195146614891. The reversal of 195146614856 is 658416641591.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 168173808100 + 26972806756 = 410090^2 + 164234^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12196663421 + ... + 12196663436.

Almost surely, 2^195146614856 is an apocalyptic number.

It is an amenable number.

195146614856 is a deficient number, since it is larger than the sum of its proper divisors (170753288014).

195146614856 is a wasteful number, since it uses less digits than its factorization.

195146614856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24393326863 (or 24393326859 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The spelling of 195146614856 in words is "one hundred ninety-five billion, one hundred forty-six million, six hundred fourteen thousand, eight hundred fifty-six".