16662173713 has 8 divisors (see below), whose sum is σ = 16904120256. Its totient is φ = 16420429200.

The previous prime is 16662173687. The next prime is 16662173743. The reversal of 16662173713 is 31737126661.

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

It is a cyclic number.

It is not a de Polignac number, because 16662173713 - 2²⁹ = 16125302801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16662173713.

It is not an unprimeable number, because it can be changed into a prime (16662173743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119770 + ... + 218332.

It is an arithmetic number, because the mean of its divisors is an integer number (2113015032).

Almost surely, 2^16662173713 is an apocalyptic number.

It is an amenable number.

16662173713 is a deficient number, since it is larger than the sum of its proper divisors (241946543).

16662173713 is an equidigital number, since it uses as much as digits as its factorization.

16662173713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101015.

The product of its digits is 190512, while the sum is 43.

The spelling of 16662173713 in words is "sixteen billion, six hundred sixty-two million, one hundred seventy-three thousand, seven hundred thirteen".