16720858115183 has 8 divisors (see below), whose sum is σ = 17601483035520. Its totient is φ = 15840291170520.

The previous prime is 16720858115149. The next prime is 16720858115207. The reversal of 16720858115183 is 38151185802761.

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 16720858115183 - 2⁶ = 16720858115119 is a prime.

It is a super-2 number, since 2×16720858115183² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16720858135183) 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, 13901285 + ... + 15056142.

It is an arithmetic number, because the mean of its divisors is an integer number (2200185379440).

Almost surely, 2^{16720858115183} is an apocalyptic number.

16720858115183 is a deficient number, since it is larger than the sum of its proper divisors (880624920337).

16720858115183 is a wasteful number, since it uses less digits than its factorization.

16720858115183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28987837.

The product of its (nonzero) digits is 3225600, while the sum is 56.

The spelling of 16720858115183 in words is "sixteen trillion, seven hundred twenty billion, eight hundred fifty-eight million, one hundred fifteen thousand, one hundred eighty-three".