16196543 has 4 divisors (see below), whose sum is σ = 17668968. Its totient is φ = 14724120.

The previous prime is 16196533. The next prime is 16196561. The reversal of 16196543 is 34569161.

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

It is a cyclic number.

It is not a de Polignac number, because 16196543 - 2⁸ = 16196287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16196533) 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 3 ways as a sum of consecutive naturals, for example, 736196 + ... + 736217.

It is an arithmetic number, because the mean of its divisors is an integer number (4417242).

Almost surely, 2^16196543 is an apocalyptic number.

16196543 is a deficient number, since it is larger than the sum of its proper divisors (1472425).

16196543 is a wasteful number, since it uses less digits than its factorization.

16196543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472424.

The product of its digits is 19440, while the sum is 35.

The square root of 16196543 is about 4024.4928873089. The cubic root of 16196543 is about 253.0117998735.

The spelling of 16196543 in words is "sixteen million, one hundred ninety-six thousand, five hundred forty-three".