195918648099 has 8 divisors (see below), whose sum is σ = 261830956032. Its totient is φ = 130309386120.

The previous prime is 195918648061. The next prime is 195918648131. The reversal of 195918648099 is 990846819591.

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

It is not a de Polignac number, because 195918648099 - 2¹¹ = 195918646051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195918648199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75759979 + ... + 75762564.

It is an arithmetic number, because the mean of its divisors is an integer number (32728869504).

Almost surely, 2^195918648099 is an apocalyptic number.

195918648099 is a deficient number, since it is larger than the sum of its proper divisors (65912307933).

195918648099 is a wasteful number, since it uses less digits than its factorization.

195918648099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151522977.

The product of its (nonzero) digits is 50388480, while the sum is 69.

The spelling of 195918648099 in words is "one hundred ninety-five billion, nine hundred eighteen million, six hundred forty-eight thousand, ninety-nine".