195318500 has 96 divisors (see below), whose sum is σ = 464755200. Its totient is φ = 71280000.

The previous prime is 195318481. The next prime is 195318503. The reversal of 195318500 is 5813591.

Together with 269436699 it forms a betrothed pair.

It is not an unprimeable number, because it can be changed into a prime (195318503) 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, 981401 + ... + 981599.

It is an arithmetic number, because the mean of its divisors is an integer number (4841200).

Almost surely, 2^195318500 is an apocalyptic number.

195318500 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 195318500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232377600).

195318500 is an abundant number, since it is smaller than the sum of its proper divisors (269436700).

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

195318500 is a wasteful number, since it uses less digits than its factorization.

195318500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 195318500 is about 13975.6395202509. The cubic root of 195318500 is about 580.2045453745.

The spelling of 195318500 in words is "one hundred ninety-five million, three hundred eighteen thousand, five hundred".