16869359889172 has 48 divisors (see below), whose sum is σ = 35474366011392. Its totient is φ = 6862600499040.

The previous prime is 16869359889167. The next prime is 16869359889223. The reversal of 16869359889172 is 27198895396861.

16869359889172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99895248 + ... + 100063975.

It is an arithmetic number, because the mean of its divisors is an integer number (739049291904).

Almost surely, 2^{16869359889172} is an apocalyptic number.

It is an amenable number.

16869359889172 is an abundant number, since it is smaller than the sum of its proper divisors (18605006122220).

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

16869359889172 is a wasteful number, since it uses less digits than its factorization.

16869359889172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199959388 (or 199959386 counting only the distinct ones).

The product of its digits is 2821754880, while the sum is 82.

The spelling of 16869359889172 in words is "sixteen trillion, eight hundred sixty-nine billion, three hundred fifty-nine million, eight hundred eighty-nine thousand, one hundred seventy-two".