8432139166068 has 72 divisors (see below), whose sum is σ = 20792972234496. Its totient is φ = 2656787817600.

The previous prime is 8432139166067. The next prime is 8432139166103. The reversal of 8432139166068 is 8606619312348.

It is a super-2 number, since 2×8432139166068² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8432139165999 and 8432139166017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8432139166067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5441713 + ... + 6817368.

Almost surely, 2^{8432139166068} is an apocalyptic number.

It is an amenable number.

8432139166068 is an abundant number, since it is smaller than the sum of its proper divisors (12360833068428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8432139166068 is a wasteful number, since it uses less digits than its factorization.

8432139166068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259205 (or 12259160 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 8432139166068 in words is "eight trillion, four hundred thirty-two billion, one hundred thirty-nine million, one hundred sixty-six thousand, sixty-eight".