195485826181 has 8 divisors (see below), whose sum is σ = 204035316480. Its totient is φ = 186940511472.

The previous prime is 195485826169. The next prime is 195485826197. The reversal of 195485826181 is 181628584591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195485826181 - 2⁵ = 195485826149 is a prime.

It is a super-2 number, since 2×195485826181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195485826581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948030 + ... + 1135663.

It is an arithmetic number, because the mean of its divisors is an integer number (25504414560).

Almost surely, 2^195485826181 is an apocalyptic number.

It is an amenable number.

195485826181 is a deficient number, since it is larger than the sum of its proper divisors (8549490299).

195485826181 is a wasteful number, since it uses less digits than its factorization.

195485826181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087795.

The product of its digits is 5529600, while the sum is 58.

The spelling of 195485826181 in words is "one hundred ninety-five billion, four hundred eighty-five million, eight hundred twenty-six thousand, one hundred eighty-one".