195856080 has 160 divisors (see below), whose sum is σ = 703835904. Its totient is φ = 44126208.

The previous prime is 195856051. The next prime is 195856081. The reversal of 195856080 is 80658591.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195856081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121842 + ... + 123438.

Almost surely, 2^195856080 is an apocalyptic number.

195856080 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 195856080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351917952).

195856080 is an abundant number, since it is smaller than the sum of its proper divisors (507979824).

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

195856080 is a wasteful number, since it uses less digits than its factorization.

195856080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 195856080 is about 13994.8590560963. The cubic root of 195856080 is about 580.7363615966.

The spelling of 195856080 in words is "one hundred ninety-five million, eight hundred fifty-six thousand, eighty".