16896747871680 has 112 divisors (see below), whose sum is σ = 54139350740640. Its totient is φ = 4464461795328.

The previous prime is 16896747871649. The next prime is 16896747871691. The reversal of 16896747871680 is 8617874769861.

It is a junction number, because it is equal to n+sod(n) for n = 16896747871596 and 16896747871605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80632879 + ... + 80842158.

Almost surely, 2^{16896747871680} is an apocalyptic number.

16896747871680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16896747871680 is an abundant number, since it is smaller than the sum of its proper divisors (37242602868960).

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

16896747871680 is a wasteful number, since it uses less digits than its factorization.

16896747871680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161475166 (or 161475156 counting only the distinct ones).

The product of its (nonzero) digits is 1365590016, while the sum is 78.

The spelling of 16896747871680 in words is "sixteen trillion, eight hundred ninety-six billion, seven hundred forty-seven million, eight hundred seventy-one thousand, six hundred eighty".