195189690160 has 160 divisors (see below), whose sum is σ = 492870597120. Its totient is φ = 71601352704.

The previous prime is 195189690107. The next prime is 195189690167. The reversal of 195189690160 is 61096981591.

195189690160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (195189690167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25668919 + ... + 25676521.

It is an arithmetic number, because the mean of its divisors is an integer number (3080441232).

Almost surely, 2^195189690160 is an apocalyptic number.

195189690160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195189690160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246435298560).

195189690160 is an abundant number, since it is smaller than the sum of its proper divisors (297680906960).

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

195189690160 is a wasteful number, since it uses less digits than its factorization.

195189690160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115 (or 8109 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 55.

The spelling of 195189690160 in words is "one hundred ninety-five billion, one hundred eighty-nine million, six hundred ninety thousand, one hundred sixty".