16678147601172 has 24 divisors (see below), whose sum is σ = 38915813381536. Its totient is φ = 5559363155808.

The previous prime is 16678147601147. The next prime is 16678147601191. The reversal of 16678147601172 is 27110674187661.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405923 + ... + 5944149.

Almost surely, 2^{16678147601172} is an apocalyptic number.

16678147601172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16678147601172 is an abundant number, since it is smaller than the sum of its proper divisors (22237665780364).

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

16678147601172 is a wasteful number, since it uses less digits than its factorization.

16678147601172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844487 (or 4844485 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 57.

The spelling of 16678147601172 in words is "sixteen trillion, six hundred seventy-eight billion, one hundred forty-seven million, six hundred one thousand, one hundred seventy-two".