195441996836166 has 128 divisors (see below), whose sum is σ = 420675159744000. Its totient is φ = 60349886023680.

The previous prime is 195441996836137. The next prime is 195441996836243. The reversal of 195441996836166 is 661638699144591.

It is a junction number, because it is equal to n+sod(n) for n = 195441996836091 and 195441996836100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1767354996 + ... + 1767465576.

It is an arithmetic number, because the mean of its divisors is an integer number (3286524685500).

Almost surely, 2^{195441996836166} is an apocalyptic number.

195441996836166 is an abundant number, since it is smaller than the sum of its proper divisors (225233162907834).

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

195441996836166 is a wasteful number, since it uses less digits than its factorization.

195441996836166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112374.

The product of its digits is 1813985280, while the sum is 78.

The spelling of 195441996836166 in words is "one hundred ninety-five trillion, four hundred forty-one billion, nine hundred ninety-six million, eight hundred thirty-six thousand, one hundred sixty-six".