16789424431680 has 168 divisors, whose sum is σ = 58189454953344. Its totient is φ = 4443002803200.

The previous prime is 16789424431627. The next prime is 16789424431691. The reversal of 16789424431680 is 8613442498761.

16789424431680 is a `hidden beast` number, since 1 + 6 + 7 + 8 + 9 + 424 + 43 + 168 + 0 = 666.

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, 21873336 + ... + 22627895.

Almost surely, 2^{16789424431680} is an apocalyptic number.

16789424431680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16789424431680 is an abundant number, since it is smaller than the sum of its proper divisors (41400030521664).

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

16789424431680 is a wasteful number, since it uses less digits than its factorization.

16789424431680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44501385 (or 44501372 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 16789424431680 in words is "sixteen trillion, seven hundred eighty-nine billion, four hundred twenty-four million, four hundred thirty-one thousand, six hundred eighty".