16943720221316 has 24 divisors (see below), whose sum is σ = 33887635098240. Its totient is φ = 7261552668672.

The previous prime is 16943720221303. The next prime is 16943720221349. The reversal of 16943720221316 is 61312202734961.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500561 + ... + 6792743.

It is an arithmetic number, because the mean of its divisors is an integer number (1411984795760).

Almost surely, 2^{16943720221316} is an apocalyptic number.

It is an amenable number.

16943720221316 is an abundant number, since it is smaller than the sum of its proper divisors (16943914876924).

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

16943720221316 is a wasteful number, since it uses less digits than its factorization.

16943720221316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476003 (or 3476001 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 16943720221316 in words is "sixteen trillion, nine hundred forty-three billion, seven hundred twenty million, two hundred twenty-one thousand, three hundred sixteen".