16479717 has 4 divisors (see below), whose sum is σ = 21972960. Its totient is φ = 10986476.

The previous prime is 16479713. The next prime is 16479719. The reversal of 16479717 is 71797461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71797461 = 3 ⋅23932487.

It is a cyclic number.

It is not a de Polignac number, because 16479717 - 2² = 16479713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16479713) 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 in 3 ways as a sum of consecutive naturals, for example, 2746617 + ... + 2746622.

It is an arithmetic number, because the mean of its divisors is an integer number (5493240).

Almost surely, 2^16479717 is an apocalyptic number.

It is an amenable number.

16479717 is a deficient number, since it is larger than the sum of its proper divisors (5493243).

16479717 is an equidigital number, since it uses as much as digits as its factorization.

16479717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493242.

The product of its digits is 74088, while the sum is 42.

The square root of 16479717 is about 4059.5217698640. The cubic root of 16479717 is about 254.4778087369.

The spelling of 16479717 in words is "sixteen million, four hundred seventy-nine thousand, seven hundred seventeen".