16124043531 has 8 divisors (see below), whose sum is σ = 21610117840. Its totient is φ = 10693665792.

The previous prime is 16124043517. The next prime is 16124043569. The reversal of 16124043531 is 13534042161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16124043531 - 2¹⁴ = 16124027147 is a prime.

It is a super-2 number, since 2×16124043531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16124043931) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13923466 + ... + 13924623.

It is an arithmetic number, because the mean of its divisors is an integer number (2701264730).

Almost surely, 2^16124043531 is an apocalyptic number.

16124043531 is a deficient number, since it is larger than the sum of its proper divisors (5486074309).

16124043531 is a wasteful number, since it uses less digits than its factorization.

16124043531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27848285.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 16124043531 its reverse (13534042161), we get a palindrome (29658085692).

The spelling of 16124043531 in words is "sixteen billion, one hundred twenty-four million, forty-three thousand, five hundred thirty-one".