16545122731163 has 64 divisors (see below), whose sum is σ = 18458841725184. Its totient is φ = 14735831040000.

The previous prime is 16545122731147. The next prime is 16545122731171. The reversal of 16545122731163 is 36113722154561.

It is a cyclic number.

It is not a de Polignac number, because 16545122731163 - 2⁴ = 16545122731147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545122731463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6283752095 + ... + 6283754727.

It is an arithmetic number, because the mean of its divisors is an integer number (288419401956).

Almost surely, 2^{16545122731163} is an apocalyptic number.

16545122731163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16545122731163 is a deficient number, since it is larger than the sum of its proper divisors (1913718994021).

16545122731163 is a wasteful number, since it uses less digits than its factorization.

16545122731163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496.

The product of its digits is 907200, while the sum is 47.

The spelling of 16545122731163 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, seven hundred thirty-one thousand, one hundred sixty-three".