68147838184 has 16 divisors (see below), whose sum is σ = 127839165120. Its totient is φ = 34057394160.

The previous prime is 68147838173. The next prime is 68147838223. The reversal of 68147838184 is 48183874186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048082 + ... + 2081089.

It is an arithmetic number, because the mean of its divisors is an integer number (7989947820).

Almost surely, 2^68147838184 is an apocalyptic number.

It is an amenable number.

68147838184 is a deficient number, since it is larger than the sum of its proper divisors (59691326936).

68147838184 is a wasteful number, since it uses less digits than its factorization.

68147838184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131240 (or 4131236 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 58.

The spelling of 68147838184 in words is "sixty-eight billion, one hundred forty-seven million, eight hundred thirty-eight thousand, one hundred eighty-four".