167978384612 has 12 divisors (see below), whose sum is σ = 293979018480. Its totient is φ = 83984379336.

The previous prime is 167978384579. The next prime is 167978384657. The reversal of 167978384612 is 216483879761.

167978384612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1124138 + ... + 1264769.

It is an arithmetic number, because the mean of its divisors is an integer number (24498251540).

Almost surely, 2^167978384612 is an apocalyptic number.

It is an amenable number.

167978384612 is a deficient number, since it is larger than the sum of its proper divisors (126000633868).

167978384612 is a wasteful number, since it uses less digits than its factorization.

167978384612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406490 (or 2406488 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 62.

The spelling of 167978384612 in words is "one hundred sixty-seven billion, nine hundred seventy-eight million, three hundred eighty-four thousand, six hundred twelve".