16716223666143 has 48 divisors (see below), whose sum is σ = 26094640497120. Its totient is φ = 10272431450112.

The previous prime is 16716223666133. The next prime is 16716223666157. The reversal of 16716223666143 is 34166632261761.

It is not a de Polignac number, because 16716223666143 - 2⁴ = 16716223666127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16716223666143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716223666133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2734603 + ... + 6396131.

It is an arithmetic number, because the mean of its divisors is an integer number (543638343690).

Almost surely, 2^{16716223666143} is an apocalyptic number.

16716223666143 is a deficient number, since it is larger than the sum of its proper divisors (9378416830977).

16716223666143 is a wasteful number, since it uses less digits than its factorization.

16716223666143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662168 (or 3662165 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 16716223666143 in words is "sixteen trillion, seven hundred sixteen billion, two hundred twenty-three million, six hundred sixty-six thousand, one hundred forty-three".