16543136 has 12 divisors (see below), whose sum is σ = 32569362. Its totient is φ = 8271552.

The previous prime is 16543117. The next prime is 16543151. The reversal of 16543136 is 63134561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 59536 = 4060^2 + 244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16543099 and 16543108.

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, 258455 + ... + 258518.

Almost surely, 2^16543136 is an apocalyptic number.

16543136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16543136 is a deficient number, since it is larger than the sum of its proper divisors (16026226).

16543136 is an equidigital number, since it uses as much as digits as its factorization.

16543136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516983 (or 516975 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 16543136 is about 4067.3254111271. The cubic root of 16543136 is about 254.8038270790.

Adding to 16543136 its reverse (63134561), we get a palindrome (79677697).

The spelling of 16543136 in words is "sixteen million, five hundred forty-three thousand, one hundred thirty-six".