16434109 has 8 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 16178016.

The previous prime is 16434101. The next prime is 16434113. The reversal of 16434109 is 90143461.

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 16434109 - 2³ = 16434101 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 (16434101) 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, 18612 + ... + 19474.

It is an arithmetic number, because the mean of its divisors is an integer number (2086560).

Almost surely, 2^16434109 is an apocalyptic number.

It is an amenable number.

16434109 is a deficient number, since it is larger than the sum of its proper divisors (258371).

16434109 is a wasteful number, since it uses less digits than its factorization.

16434109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16434109 is about 4053.9004674511. The cubic root of 16434109 is about 254.2428340865.

The spelling of 16434109 in words is "sixteen million, four hundred thirty-four thousand, one hundred nine".