16545126475173 has 8 divisors (see below), whose sum is σ = 22228566867936. Its totient is φ = 10945885199600.

The previous prime is 16545126475051. The next prime is 16545126475217. The reversal of 16545126475173 is 37157462154561.

It is a happy number.

16545126475173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16545126475173 - 2⁸ = 16545126474917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545126425173) 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, 21049778838 + ... + 21049779623.

It is an arithmetic number, because the mean of its divisors is an integer number (2778570858492).

Almost surely, 2^{16545126475173} is an apocalyptic number.

It is an amenable number.

16545126475173 is a deficient number, since it is larger than the sum of its proper divisors (5683440392763).

16545126475173 is a wasteful number, since it uses less digits than its factorization.

16545126475173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42099558595.

The product of its digits is 21168000, while the sum is 57.

The spelling of 16545126475173 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, four hundred seventy-five thousand, one hundred seventy-three".