16309105 has 8 divisors (see below), whose sum is σ = 19660032. Its totient is φ = 12987888.

The previous prime is 16309091. The next prime is 16309109. The reversal of 16309105 is 50190361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16309105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16309105.

It is not an unprimeable number, because it can be changed into a prime (16309109) 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, 6199 + ... + 8428.

It is an arithmetic number, because the mean of its divisors is an integer number (2457504).

Almost surely, 2^16309105 is an apocalyptic number.

It is an amenable number.

16309105 is a deficient number, since it is larger than the sum of its proper divisors (3350927).

16309105 is a wasteful number, since it uses less digits than its factorization.

16309105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14855.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 16309105 is about 4038.4532930319. The cubic root of 16309105 is about 253.5965705982.

Adding to 16309105 its reverse (50190361), we get a palindrome (66499466).

The spelling of 16309105 in words is "sixteen million, three hundred nine thousand, one hundred five".