168912388195 has 16 divisors (see below), whose sum is σ = 214627739040. Its totient is φ = 127175376384.

The previous prime is 168912388193. The next prime is 168912388201. The reversal of 168912388195 is 591883219861.

168912388195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 168912388195 - 2¹ = 168912388193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168912388193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3547969 + ... + 3595261.

It is an arithmetic number, because the mean of its divisors is an integer number (13414233690).

Almost surely, 2^168912388195 is an apocalyptic number.

168912388195 is a deficient number, since it is larger than the sum of its proper divisors (45715350845).

168912388195 is a wasteful number, since it uses less digits than its factorization.

168912388195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89334.

The product of its digits is 7464960, while the sum is 61.

The spelling of 168912388195 in words is "one hundred sixty-eight billion, nine hundred twelve million, three hundred eighty-eight thousand, one hundred ninety-five".