168198378076 has 24 divisors (see below), whose sum is σ = 297777087216. Its totient is φ = 83122099200.

The previous prime is 168198378037. The next prime is 168198378077. The reversal of 168198378076 is 670873891861.

168198378076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168198377999 and 168198378017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168198378077) 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 7 ways as a sum of consecutive naturals, for example, 127666 + ... + 593881.

It is an arithmetic number, because the mean of its divisors is an integer number (12407378634).

Almost surely, 2^168198378076 is an apocalyptic number.

It is an amenable number.

168198378076 is a deficient number, since it is larger than the sum of its proper divisors (129578709140).

168198378076 is a wasteful number, since it uses less digits than its factorization.

168198378076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722229 (or 722227 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 168198378076 in words is "one hundred sixty-eight billion, one hundred ninety-eight million, three hundred seventy-eight thousand, seventy-six".