16079909 has 8 divisors (see below), whose sum is σ = 17922240. Its totient is φ = 14337216.

The previous prime is 16079881. The next prime is 16079911. The reversal of 16079909 is 90997061.

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 16079909 - 2⁸ = 16079653 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 (16079939) 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, 24569 + ... + 25214.

It is an arithmetic number, because the mean of its divisors is an integer number (2240280).

Almost surely, 2^16079909 is an apocalyptic number.

16079909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16079909 is a deficient number, since it is larger than the sum of its proper divisors (1842331).

16079909 is a wasteful number, since it uses less digits than its factorization.

16079909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49819.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 16079909 is about 4009.9761844679. The cubic root of 16079909 is about 252.4030095088.

The spelling of 16079909 in words is "sixteen million, seventy-nine thousand, nine hundred nine".