195299051316 has 12 divisors (see below), whose sum is σ = 455697786432. Its totient is φ = 65099683768.

The previous prime is 195299051309. The next prime is 195299051317. The reversal of 195299051316 is 613150992591.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195299051317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8137460460 + ... + 8137460483.

It is an arithmetic number, because the mean of its divisors is an integer number (37974815536).

Almost surely, 2^195299051316 is an apocalyptic number.

It is an amenable number.

195299051316 is an abundant number, since it is smaller than the sum of its proper divisors (260398735116).

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

195299051316 is a wasteful number, since it uses less digits than its factorization.

195299051316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274920950 (or 16274920948 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 51.

The spelling of 195299051316 in words is "one hundred ninety-five billion, two hundred ninety-nine million, fifty-one thousand, three hundred sixteen".