16073409 has 8 divisors (see below), whose sum is σ = 23379552. Its totient is φ = 9741440.

The previous prime is 16073401. The next prime is 16073417. The reversal of 16073409 is 90437061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16073401) and next prime (16073417).

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 16073409 - 2³ = 16073401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16073401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243504 + ... + 243569.

It is an arithmetic number, because the mean of its divisors is an integer number (2922444).

Almost surely, 2^16073409 is an apocalyptic number.

It is an amenable number.

16073409 is a deficient number, since it is larger than the sum of its proper divisors (7306143).

16073409 is a wasteful number, since it uses less digits than its factorization.

16073409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487087.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 16073409 is about 4009.1656239173. The cubic root of 16073409 is about 252.3689952062.

The spelling of 16073409 in words is "sixteen million, seventy-three thousand, four hundred nine".