16236542110543 has 16 divisors (see below), whose sum is σ = 16316445879360. Its totient is φ = 16156786915584.

The previous prime is 16236542110493. The next prime is 16236542110597. The reversal of 16236542110543 is 34501124563261.

It is a cyclic number.

It is not a de Polignac number, because 16236542110543 - 2⁴¹ = 14037518854991 is a prime.

It is a super-2 number, since 2×16236542110543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16236542110543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16236542110343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952113805 + ... + 952130857.

It is an arithmetic number, because the mean of its divisors is an integer number (1019777867460).

Almost surely, 2^{16236542110543} is an apocalyptic number.

16236542110543 is a deficient number, since it is larger than the sum of its proper divisors (79903768817).

16236542110543 is a wasteful number, since it uses less digits than its factorization.

16236542110543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21138.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 16236542110543 in words is "sixteen trillion, two hundred thirty-six billion, five hundred forty-two million, one hundred ten thousand, five hundred forty-three".