16678905042773 has 16 divisors (see below), whose sum is σ = 17169326763264. Its totient is φ = 16194287105280.

The previous prime is 16678905042769. The next prime is 16678905042781. The reversal of 16678905042773 is 37724050987661.

It is a cyclic number.

It is not a de Polignac number, because 16678905042773 - 2² = 16678905042769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16678905042973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9012161 + ... + 10704057.

It is an arithmetic number, because the mean of its divisors is an integer number (1073082922704).

It is a 1-persistent number, because it is pandigital, but 2⋅16678905042773 = 33357810085546 is not.

Almost surely, 2^{16678905042773} is an apocalyptic number.

It is an amenable number.

16678905042773 is a deficient number, since it is larger than the sum of its proper divisors (490421720491).

16678905042773 is a wasteful number, since it uses less digits than its factorization.

16678905042773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693612.

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 16678905042773 in words is "sixteen trillion, six hundred seventy-eight billion, nine hundred five million, forty-two thousand, seven hundred seventy-three".