16545723576117 has 32 divisors (see below), whose sum is σ = 22707687951360. Its totient is φ = 10711817571840.

The previous prime is 16545723576113. The next prime is 16545723576133. The reversal of 16545723576117 is 71167532754561.

It is a happy number.

It is not a de Polignac number, because 16545723576117 - 2² = 16545723576113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545723576113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174101509 + ... + 174196517.

It is an arithmetic number, because the mean of its divisors is an integer number (709615248480).

Almost surely, 2^{16545723576117} is an apocalyptic number.

It is an amenable number.

16545723576117 is a deficient number, since it is larger than the sum of its proper divisors (6161964375243).

16545723576117 is a wasteful number, since it uses less digits than its factorization.

16545723576117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107353.

The product of its digits is 37044000, while the sum is 60.

The spelling of 16545723576117 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-three million, five hundred seventy-six thousand, one hundred seventeen".