16688059 has 2 divisors, whose sum is σ = 16688060. Its totient is φ = 16688058.

The previous prime is 16688051. The next prime is 16688081. The reversal of 16688059 is 95088661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16688059 - 2³ = 16688051 is a prime.

It is not a weakly prime, because it can be changed into another prime (16688051) 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 as a sum of consecutive naturals, namely, 8344029 + 8344030.

It is an arithmetic number, because the mean of its divisors is an integer number (8344030).

Almost surely, 2^16688059 is an apocalyptic number.

16688059 is a deficient number, since it is larger than the sum of its proper divisors (1).

16688059 is an equidigital number, since it uses as much as digits as its factorization.

16688059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 16688059 is about 4085.1020795079. The cubic root of 16688059 is about 255.5457183849.

The spelling of 16688059 in words is "sixteen million, six hundred eighty-eight thousand, fifty-nine".