195095808 has 162 divisors, whose sum is σ = 599583894. Its totient is φ = 60997632.

The previous prime is 195095807. The next prime is 195095833. The reversal of 195095808 is 808590591.

195095808 is a `hidden beast` number, since 19 + 50 + 9 + 580 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 131606784 + 63489024 = 11472^2 + 7968^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195095807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 665710 + ... + 666002.

Almost surely, 2^195095808 is an apocalyptic number.

195095808 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 195095808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299791947).

195095808 is an abundant number, since it is smaller than the sum of its proper divisors (404488086).

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

195095808 is a wasteful number, since it uses less digits than its factorization.

195095808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 195095808 is about 13967.6700991969. The cubic root of 195095808 is about 579.9839551646.

The spelling of 195095808 in words is "one hundred ninety-five million, ninety-five thousand, eight hundred eight".