195342618 has 16 divisors (see below), whose sum is σ = 397090656. Its totient is φ = 64046640.

The previous prime is 195342617. The next prime is 195342619. The reversal of 195342618 is 816243591.

It is an interprime number because it is at equal distance from previous prime (195342617) and next prime (195342619).

It is not an unprimeable number, because it can be changed into a prime (195342617) 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 7 ways as a sum of consecutive naturals, for example, 266496 + ... + 267227.

It is an arithmetic number, because the mean of its divisors is an integer number (24818166).

Almost surely, 2^195342618 is an apocalyptic number.

195342618 is an abundant number, since it is smaller than the sum of its proper divisors (201748038).

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

195342618 is a wasteful number, since it uses less digits than its factorization.

195342618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533789.

The product of its digits is 51840, while the sum is 39.

The square root of 195342618 is about 13976.5023521624. The cubic root of 195342618 is about 580.2284256816.

The spelling of 195342618 in words is "one hundred ninety-five million, three hundred forty-two thousand, six hundred eighteen".