195583128 has 64 divisors (see below), whose sum is σ = 528175200. Its totient is φ = 59996160.

The previous prime is 195583111. The next prime is 195583153. The reversal of 195583128 is 821385591.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 195583128.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 130608 + ... + 132096.

Almost surely, 2^195583128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195583128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264087600).

195583128 is an abundant number, since it is smaller than the sum of its proper divisors (332592072).

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

195583128 is a wasteful number, since it uses less digits than its factorization.

195583128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1928 counting only the distinct ones).

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

The square root of 195583128 is about 13985.1037893896. The cubic root of 195583128 is about 580.4664578915.

The spelling of 195583128 in words is "one hundred ninety-five million, five hundred eighty-three thousand, one hundred twenty-eight".