16454662543 has 8 divisors (see below), whose sum is σ = 18289231056. Its totient is φ = 14676542400.

The previous prime is 16454662529. The next prime is 16454662597. The reversal of 16454662543 is 34526645461.

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 16454662543 - 2¹³ = 16454654351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16454662493 and 16454662502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454462543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14111478 + ... + 14112643.

It is an arithmetic number, because the mean of its divisors is an integer number (2286153882).

Almost surely, 2^16454662543 is an apocalyptic number.

16454662543 is a deficient number, since it is larger than the sum of its proper divisors (1834568513).

16454662543 is a wasteful number, since it uses less digits than its factorization.

16454662543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28224185.

The product of its digits is 2073600, while the sum is 46.

The spelling of 16454662543 in words is "sixteen billion, four hundred fifty-four million, six hundred sixty-two thousand, five hundred forty-three".