16543226442 has 16 divisors (see below), whose sum is σ = 33379254720. Its totient is φ = 5465608512.

The previous prime is 16543226429. The next prime is 16543226503. The reversal of 16543226442 is 24462234561.

It is a happy number.

16543226442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16543226442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16543226442.

It is an unprimeable number.

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, 12199342 + ... + 12200697.

It is an arithmetic number, because the mean of its divisors is an integer number (2086203420).

Almost surely, 2^16543226442 is an apocalyptic number.

16543226442 is an abundant number, since it is smaller than the sum of its proper divisors (16836028278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16543226442 is a wasteful number, since it uses less digits than its factorization.

16543226442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24400157.

The product of its digits is 276480, while the sum is 39.

The spelling of 16543226442 in words is "sixteen billion, five hundred forty-three million, two hundred twenty-six thousand, four hundred forty-two".