195161120 has 288 divisors, whose sum is σ = 612251136. Its totient is φ = 58060800.

The previous prime is 195161119. The next prime is 195161159. The reversal of 195161120 is 21161591.

It is a self number, because there is not a number n which added to its sum of digits gives 195161120.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2673404 + ... + 2673476.

It is an arithmetic number, because the mean of its divisors is an integer number (2125872).

Almost surely, 2^195161120 is an apocalyptic number.

195161120 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 195161120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306125568).

195161120 is an abundant number, since it is smaller than the sum of its proper divisors (417090016).

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

195161120 is a wasteful number, since it uses less digits than its factorization.

195161120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 195161120 is about 13970.0078740135. The cubic root of 195161120 is about 580.0486681317.

The spelling of 195161120 in words is "one hundred ninety-five million, one hundred sixty-one thousand, one hundred twenty".