16480309 has 12 divisors (see below), whose sum is σ = 17311008. Its totient is φ = 15679440.

The previous prime is 16480301. The next prime is 16480333. The reversal of 16480309 is 90308461.

It is not a de Polignac number, because 16480309 - 2³ = 16480301 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 (16480301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159952 + ... + 160054.

It is an arithmetic number, because the mean of its divisors is an integer number (1442584).

Almost surely, 2^16480309 is an apocalyptic number.

It is an amenable number.

16480309 is a deficient number, since it is larger than the sum of its proper divisors (830699).

16480309 is an equidigital number, since it uses as much as digits as its factorization.

16480309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16480309 is about 4059.5946842019. The cubic root of 16480309 is about 254.4808558980.

The spelling of 16480309 in words is "sixteen million, four hundred eighty thousand, three hundred nine".