16670737334447 has 8 divisors (see below), whose sum is σ = 19336633497216. Its totient is φ = 14075931736152.

The previous prime is 16670737334441. The next prime is 16670737334473. The reversal of 16670737334447 is 74443373707661.

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 16670737334447 - 2⁸ = 16670737334191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16670737334447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670737334441) 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, 17772640613 + ... + 17772641550.

It is an arithmetic number, because the mean of its divisors is an integer number (2417079187152).

Almost surely, 2^{16670737334447} is an apocalyptic number.

16670737334447 is a deficient number, since it is larger than the sum of its proper divisors (2665896162769).

16670737334447 is an equidigital number, since it uses as much as digits as its factorization.

16670737334447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35545282237.

The product of its (nonzero) digits is 149361408, while the sum is 62.

The spelling of 16670737334447 in words is "sixteen trillion, six hundred seventy billion, seven hundred thirty-seven million, three hundred thirty-four thousand, four hundred forty-seven".