16479691 has 8 divisors (see below), whose sum is σ = 16746080. Its totient is φ = 16215552.

The previous prime is 16479667. The next prime is 16479709. The reversal of 16479691 is 19697461.

It is a happy number.

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 16479691 - 2¹⁵ = 16446923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16479091) 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 7 ways as a sum of consecutive naturals, for example, 19465 + ... + 20293.

It is an arithmetic number, because the mean of its divisors is an integer number (2093260).

Almost surely, 2^16479691 is an apocalyptic number.

16479691 is a deficient number, since it is larger than the sum of its proper divisors (266389).

16479691 is a wasteful number, since it uses less digits than its factorization.

16479691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its digits is 81648, while the sum is 43.

The square root of 16479691 is about 4059.5185675151. The cubic root of 16479691 is about 254.4776749072.

The spelling of 16479691 in words is "sixteen million, four hundred seventy-nine thousand, six hundred ninety-one".