16662214380873 has 8 divisors (see below), whose sum is σ = 22497504649600. Its totient is φ = 10967533516368.

The previous prime is 16662214380853. The next prime is 16662214380881. The reversal of 16662214380873 is 37808341226661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16662214380873 - 2⁵ = 16662214380841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16662214380853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35152350778 + ... + 35152351251.

It is an arithmetic number, because the mean of its divisors is an integer number (2812188081200).

Almost surely, 2^{16662214380873} is an apocalyptic number.

It is an amenable number.

16662214380873 is a deficient number, since it is larger than the sum of its proper divisors (5835290268727).

16662214380873 is an equidigital number, since it uses as much as digits as its factorization.

16662214380873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70304702111.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 16662214380873 in words is "sixteen trillion, six hundred sixty-two billion, two hundred fourteen million, three hundred eighty thousand, eight hundred seventy-three".