16543582454 has 16 divisors (see below), whose sum is σ = 29853081600. Its totient is φ = 6716943144.

The previous prime is 16543582423. The next prime is 16543582457. The reversal of 16543582454 is 45428534561.

16543582454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16543582399 and 16543582408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16543582457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31096694 + ... + 31097225.

It is an arithmetic number, because the mean of its divisors is an integer number (1865817600).

Almost surely, 2^16543582454 is an apocalyptic number.

16543582454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16543582454 is a deficient number, since it is larger than the sum of its proper divisors (13309499146).

16543582454 is a wasteful number, since it uses less digits than its factorization.

16543582454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62193947.

The product of its digits is 2304000, while the sum is 47.

The spelling of 16543582454 in words is "sixteen billion, five hundred forty-three million, five hundred eighty-two thousand, four hundred fifty-four".