16968479 has 4 divisors (see below), whose sum is σ = 18511080. Its totient is φ = 15425880.

The previous prime is 16968467. The next prime is 16968481. The reversal of 16968479 is 97486961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16968479 - 2¹² = 16964383 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 (16968079) 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 3 ways as a sum of consecutive naturals, for example, 771284 + ... + 771305.

It is an arithmetic number, because the mean of its divisors is an integer number (4627770).

Almost surely, 2^16968479 is an apocalyptic number.

16968479 is a deficient number, since it is larger than the sum of its proper divisors (1542601).

16968479 is a wasteful number, since it uses less digits than its factorization.

16968479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542600.

The product of its digits is 653184, while the sum is 50.

The square root of 16968479 is about 4119.2813693653. The cubic root of 16968479 is about 256.9691404149.

The spelling of 16968479 in words is "sixteen million, nine hundred sixty-eight thousand, four hundred seventy-nine".