16124043542 has 4 divisors (see below), whose sum is σ = 24186065316. Its totient is φ = 8062021770.

The previous prime is 16124043517. The next prime is 16124043569. The reversal of 16124043542 is 24534042161.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 16124043499 and 16124043508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4031010884 + ... + 4031010887.

It is an arithmetic number, because the mean of its divisors is an integer number (6046516329).

Almost surely, 2^16124043542 is an apocalyptic number.

16124043542 is a deficient number, since it is larger than the sum of its proper divisors (8062021774).

16124043542 is an equidigital number, since it uses as much as digits as its factorization.

16124043542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062021773.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 16124043542 in words is "sixteen billion, one hundred twenty-four million, forty-three thousand, five hundred forty-two".