195164928 has 108 divisors (see below), whose sum is σ = 643148688. Its totient is φ = 55756800.

The previous prime is 195164923. The next prime is 195164929. The reversal of 195164928 is 829461591.

It is not an unprimeable number, because it can be changed into a prime (195164923) 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 11 ways as a sum of consecutive naturals, for example, 10078 + ... + 22178.

Almost surely, 2^195164928 is an apocalyptic number.

195164928 is a gapful number since it is divisible by the number (18) 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 195164928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321574344).

195164928 is an abundant number, since it is smaller than the sum of its proper divisors (447983760).

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

195164928 is a wasteful number, since it uses less digits than its factorization.

195164928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130 (or 12113 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 195164928 is about 13970.1441653263. The cubic root of 195164928 is about 580.0524407598.

The spelling of 195164928 in words is "one hundred ninety-five million, one hundred sixty-four thousand, nine hundred twenty-eight".