16668167034672 has 240 divisors, whose sum is σ = 47922572425728. Its totient is φ = 5405267427840.

The previous prime is 16668167034661. The next prime is 16668167034767. The reversal of 16668167034672 is 27643076186661.

16668167034672 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3902635897 + ... + 3902640167.

Almost surely, 2^{16668167034672} is an apocalyptic number.

16668167034672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16668167034672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23961286212864).

16668167034672 is an abundant number, since it is smaller than the sum of its proper divisors (31254405391056).

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

16668167034672 is a wasteful number, since it uses less digits than its factorization.

16668167034672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688 (or 6679 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 16668167034672 in words is "sixteen trillion, six hundred sixty-eight billion, one hundred sixty-seven million, thirty-four thousand, six hundred seventy-two".