195334668 has 72 divisors (see below), whose sum is σ = 521866800. Its totient is φ = 61433856.

The previous prime is 195334661. The next prime is 195334693. The reversal of 195334668 is 866433591.

195334668 is a `hidden beast` number, since 19 + 533 + 46 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (195334661) 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 23 ways as a sum of consecutive naturals, for example, 241048 + ... + 241856.

It is an arithmetic number, because the mean of its divisors is an integer number (7248150).

Almost surely, 2^195334668 is an apocalyptic number.

195334668 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 195334668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260933400).

195334668 is an abundant number, since it is smaller than the sum of its proper divisors (326532132).

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

195334668 is a wasteful number, since it uses less digits than its factorization.

195334668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1186 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 195334668 is about 13976.2179433493. The cubic root of 195334668 is about 580.2205542493.

The spelling of 195334668 in words is "one hundred ninety-five million, three hundred thirty-four thousand, six hundred sixty-eight".