16321679 has 8 divisors (see below), whose sum is σ = 17916672. Its totient is φ = 14745240.

The previous prime is 16321667. The next prime is 16321681. The reversal of 16321679 is 97612361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16321679 - 2⁸ = 16321423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321619) 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 in 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (2239584).

Almost surely, 2^16321679 is an apocalyptic number.

16321679 is a deficient number, since it is larger than the sum of its proper divisors (1594993).

16321679 is a wasteful number, since it uses less digits than its factorization.

16321679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277.

The product of its digits is 13608, while the sum is 35.

The square root of 16321679 is about 4040.0097772159. The cubic root of 16321679 is about 253.6617265167.

The spelling of 16321679 in words is "sixteen million, three hundred twenty-one thousand, six hundred seventy-nine".