195316506 has 144 divisors (see below), whose sum is σ = 555714432. Its totient is φ = 48438720.

The previous prime is 195316493. The next prime is 195316507. The reversal of 195316506 is 605613591.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195316507) 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 71 ways as a sum of consecutive naturals, for example, 350380 + ... + 350936.

It is an arithmetic number, because the mean of its divisors is an integer number (3859128).

Almost surely, 2^195316506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195316506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277857216).

195316506 is an abundant number, since it is smaller than the sum of its proper divisors (360397926).

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

195316506 is a wasteful number, since it uses less digits than its factorization.

195316506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 195316506 is about 13975.5681816519. The cubic root of 195316506 is about 580.2025709382.

The spelling of 195316506 in words is "one hundred ninety-five million, three hundred sixteen thousand, five hundred six".