16119309 has 8 divisors (see below), whose sum is σ = 22073440. Its totient is φ = 10455696.

The previous prime is 16119307. The next prime is 16119319. The reversal of 16119309 is 90391161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16119309 - 2¹ = 16119307 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 (16119307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72499 + ... + 72720.

It is an arithmetic number, because the mean of its divisors is an integer number (2759180).

Almost surely, 2^16119309 is an apocalyptic number.

It is an amenable number.

16119309 is a deficient number, since it is larger than the sum of its proper divisors (5954131).

16119309 is a wasteful number, since it uses less digits than its factorization.

16119309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145259.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 16119309 is about 4014.8859261503. The cubic root of 16119309 is about 252.6089925828.

The spelling of 16119309 in words is "sixteen million, one hundred nineteen thousand, three hundred nine".