16679513 has 2 divisors, whose sum is σ = 16679514. Its totient is φ = 16679512.

The previous prime is 16679503. The next prime is 16679527. The reversal of 16679513 is 31597661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 6744409 = 3152^2 + 2597^2 .

It is a cyclic number.

It is not a de Polignac number, because 16679513 - 2¹⁶ = 16613977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16679503) 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 as a sum of consecutive naturals, namely, 8339756 + 8339757.

It is an arithmetic number, because the mean of its divisors is an integer number (8339757).

Almost surely, 2^16679513 is an apocalyptic number.

It is an amenable number.

16679513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16679513 is an equidigital number, since it uses as much as digits as its factorization.

16679513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 16679513 is about 4084.0559496657. The cubic root of 16679513 is about 255.5020890527.

The spelling of 16679513 in words is "sixteen million, six hundred seventy-nine thousand, five hundred thirteen".