16479619 has 4 divisors (see below), whose sum is σ = 17747296. Its totient is φ = 15211944.

The previous prime is 16479607. The next prime is 16479623. The reversal of 16479619 is 91697461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91697461 = 571 ⋅160591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16479619 is a prime.

It is a super-2 number, since 2×16479619² = 543155684770322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16479649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633819 + ... + 633844.

It is an arithmetic number, because the mean of its divisors is an integer number (4436824).

Almost surely, 2^16479619 is an apocalyptic number.

16479619 is a deficient number, since it is larger than the sum of its proper divisors (1267677).

16479619 is a wasteful number, since it uses less digits than its factorization.

16479619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267676.

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

The square root of 16479619 is about 4059.5096994588. The cubic root of 16479619 is about 254.4773043012.

The spelling of 16479619 in words is "sixteen million, four hundred seventy-nine thousand, six hundred nineteen".