16679539 has 2 divisors, whose sum is σ = 16679540. Its totient is φ = 16679538.

The previous prime is 16679527. The next prime is 16679573. The reversal of 16679539 is 93597661.

It is a weak prime.

It is an emirp because it is prime and its reverse (93597661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16679539 - 2¹⁵ = 16646771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16679239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8339769 + 8339770.

It is an arithmetic number, because the mean of its divisors is an integer number (8339770).

Almost surely, 2^16679539 is an apocalyptic number.

16679539 is a deficient number, since it is larger than the sum of its proper divisors (1).

16679539 is an equidigital number, since it uses as much as digits as its factorization.

16679539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 16679539 is about 4084.0591327746. The cubic root of 16679539 is about 255.5022218114.

The spelling of 16679539 in words is "sixteen million, six hundred seventy-nine thousand, five hundred thirty-nine".