16539163 has 2 divisors, whose sum is σ = 16539164. Its totient is φ = 16539162.

The previous prime is 16539119. The next prime is 16539167. The reversal of 16539163 is 36193561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16539163 - 2²¹ = 14442011 is a prime.

It is not a weakly prime, because it can be changed into another prime (16539167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8269581 + 8269582.

It is an arithmetic number, because the mean of its divisors is an integer number (8269582).

Almost surely, 2^16539163 is an apocalyptic number.

16539163 is a deficient number, since it is larger than the sum of its proper divisors (1).

16539163 is an equidigital number, since it uses as much as digits as its factorization.

16539163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 16539163 is about 4066.8369773080. The cubic root of 16539163 is about 254.7834275478.

It can be divided in two parts, 1653 and 9163, that added together give a square (10816 = 104²).

The spelling of 16539163 in words is "sixteen million, five hundred thirty-nine thousand, one hundred sixty-three".