168113922578 has 16 divisors (see below), whose sum is σ = 288396443520. Its totient is φ = 71998537056.

The previous prime is 168113922533. The next prime is 168113922589. The reversal of 168113922578 is 875229311861.

It is a super-3 number, since 3×168113922578³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4169798 + ... + 4209921.

It is an arithmetic number, because the mean of its divisors is an integer number (18024777720).

Almost surely, 2^168113922578 is an apocalyptic number.

168113922578 is a deficient number, since it is larger than the sum of its proper divisors (120282520942).

168113922578 is a wasteful number, since it uses less digits than its factorization.

168113922578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8381161.

The product of its digits is 1451520, while the sum is 53.

The spelling of 168113922578 in words is "one hundred sixty-eight billion, one hundred thirteen million, nine hundred twenty-two thousand, five hundred seventy-eight".