16500532543 has 16 divisors (see below), whose sum is σ = 18600575616. Its totient is φ = 14505467040.

The previous prime is 16500532519. The next prime is 16500532553. The reversal of 16500532543 is 34523500561.

It is a cyclic number.

It is not a de Polignac number, because 16500532543 - 2⁹ = 16500532031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16500532499 and 16500532508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500532553) 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 15 ways as a sum of consecutive naturals, for example, 58021 + ... + 190702.

It is an arithmetic number, because the mean of its divisors is an integer number (1162535976).

Almost surely, 2^16500532543 is an apocalyptic number.

16500532543 is a deficient number, since it is larger than the sum of its proper divisors (2100043073).

16500532543 is a wasteful number, since it uses less digits than its factorization.

16500532543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248934.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 16500532543 in words is "sixteen billion, five hundred million, five hundred thirty-two thousand, five hundred forty-three".