195198115 has 36 divisors (see below), whose sum is σ = 287706816. Its totient is φ = 126747936.

The previous prime is 195198071. The next prime is 195198161. The reversal of 195198115 is 511891591.

It is a happy number.

It is not a de Polignac number, because 195198115 - 2¹⁷ = 195067043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 87342 + ... + 89548.

It is an arithmetic number, because the mean of its divisors is an integer number (7991856).

Almost surely, 2^195198115 is an apocalyptic number.

195198115 is a deficient number, since it is larger than the sum of its proper divisors (92508701).

195198115 is a wasteful number, since it uses less digits than its factorization.

195198115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2238 counting only the distinct ones).

The product of its digits is 16200, while the sum is 40.

The square root of 195198115 is about 13971.3318978543. The cubic root of 195198115 is about 580.0853174136.

The spelling of 195198115 in words is "one hundred ninety-five million, one hundred ninety-eight thousand, one hundred fifteen".