16539836 has 12 divisors (see below), whose sum is σ = 29097600. Its totient is φ = 8226240.

The previous prime is 16539799. The next prime is 16539839. The reversal of 16539836 is 63893561.

It is a junction number, because it is equal to n+sod(n) for n = 16539793 and 16539802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16539839) 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 3 ways as a sum of consecutive naturals, for example, 10061 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (2424800).

Almost surely, 2^16539836 is an apocalyptic number.

It is an amenable number.

16539836 is a deficient number, since it is larger than the sum of its proper divisors (12557764).

16539836 is a wasteful number, since it uses less digits than its factorization.

16539836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21844 (or 21842 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 16539836 is about 4066.9197189027. The cubic root of 16539836 is about 254.7868833236.

The spelling of 16539836 in words is "sixteen million, five hundred thirty-nine thousand, eight hundred thirty-six".