195618 has 8 divisors (see below), whose sum is σ = 391248. Its totient is φ = 65204.

The previous prime is 195599. The next prime is 195659. The reversal of 195618 is 816591.

It is a happy number.

195618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

195618 is an admirable number.

It is a zygodrome in base 5.

It is an unprimeable number.

195618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16296 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (48906).

2¹⁹⁵⁶¹⁸ is an apocalyptic number.

195618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195618 is a wasteful number, since it uses less digits than its factorization.

195618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32608.

The product of its digits is 2160, while the sum is 30.

The square root of 195618 is about 442.2872369852. The cubic root of 195618 is about 58.0500954431.

The spelling of 195618 in words is "one hundred ninety-five thousand, six hundred eighteen".