16539333 has 16 divisors (see below), whose sum is σ = 22872960. Its totient is φ = 10622016.

The previous prime is 16539331. The next prime is 16539349. The reversal of 16539333 is 33393561.

It is not a de Polignac number, because 16539333 - 2¹ = 16539331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16539294 and 16539303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16539331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11416 + ... + 12782.

It is an arithmetic number, because the mean of its divisors is an integer number (1429560).

Almost surely, 2^16539333 is an apocalyptic number.

It is an amenable number.

16539333 is a deficient number, since it is larger than the sum of its proper divisors (6333627).

16539333 is a wasteful number, since it uses less digits than its factorization.

16539333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its digits is 21870, while the sum is 33.

The square root of 16539333 is about 4066.8578780184. The cubic root of 16539333 is about 254.7843004866.

The spelling of 16539333 in words is "sixteen million, five hundred thirty-nine thousand, three hundred thirty-three".