6438167172060 has 72 divisors (see below), whose sum is σ = 19520218131120. Its totient is φ = 1584779609088.

The previous prime is 6438167172053. The next prime is 6438167172089. The reversal of 6438167172060 is 602717618346.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6438167171994 and 6438167172012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317453725 + ... + 317474004.

It is an arithmetic number, because the mean of its divisors is an integer number (271114140710).

Almost surely, 2^{6438167172060} is an apocalyptic number.

6438167172060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6438167172060 is an abundant number, since it is smaller than the sum of its proper divisors (13082050959060).

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

6438167172060 is a wasteful number, since it uses less digits than its factorization.

6438167172060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634927767 (or 634927752 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 6438167172060 in words is "six trillion, four hundred thirty-eight billion, one hundred sixty-seven million, one hundred seventy-two thousand, sixty".