195545750388 has 12 divisors (see below), whose sum is σ = 456273417600. Its totient is φ = 65181916792.

The previous prime is 195545750371. The next prime is 195545750399. The reversal of 195545750388 is 883057545591.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8147739588 + ... + 8147739611.

It is an arithmetic number, because the mean of its divisors is an integer number (38022784800).

Almost surely, 2^195545750388 is an apocalyptic number.

It is an amenable number.

195545750388 is an abundant number, since it is smaller than the sum of its proper divisors (260727667212).

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

195545750388 is a wasteful number, since it uses less digits than its factorization.

195545750388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16295479206 (or 16295479204 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 60.

The spelling of 195545750388 in words is "one hundred ninety-five billion, five hundred forty-five million, seven hundred fifty thousand, three hundred eighty-eight".