16338358116531 has 48 divisors (see below), whose sum is σ = 26317310497920. Its totient is φ = 9683767157760.

The previous prime is 16338358116529. The next prime is 16338358116551. The reversal of 16338358116531 is 13561185383361.

16338358116531 is a `hidden beast` number, since 1 + 6 + 3 + 3 + 8 + 3 + 581 + 1 + 6 + 53 + 1 = 666.

It is not a de Polignac number, because 16338358116531 - 2¹ = 16338358116529 is a prime.

It is a super-2 number, since 2×16338358116531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16338358116551) 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 47 ways as a sum of consecutive naturals, for example, 6119281 + ... + 8373906.

It is an arithmetic number, because the mean of its divisors is an integer number (548277302040).

Almost surely, 2^{16338358116531} is an apocalyptic number.

16338358116531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16338358116531 is a deficient number, since it is larger than the sum of its proper divisors (9978952381389).

16338358116531 is a wasteful number, since it uses less digits than its factorization.

16338358116531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493456 (or 14493453 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 16338358116531 in words is "sixteen trillion, three hundred thirty-eight billion, three hundred fifty-eight million, one hundred sixteen thousand, five hundred thirty-one".