16424645 has 16 divisors (see below), whose sum is σ = 21651840. Its totient is φ = 11905344.

The previous prime is 16424627. The next prime is 16424651. The reversal of 16424645 is 54642461.

It is a cyclic number.

It is not a de Polignac number, because 16424645 - 2¹⁰ = 16423621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (1353240).

Almost surely, 2^16424645 is an apocalyptic number.

It is an amenable number.

16424645 is a deficient number, since it is larger than the sum of its proper divisors (5227195).

16424645 is a wasteful number, since it uses less digits than its factorization.

16424645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564.

The product of its digits is 23040, while the sum is 32.

The square root of 16424645 is about 4052.7330284636. The cubic root of 16424645 is about 254.1940206458.

The spelling of 16424645 in words is "sixteen million, four hundred twenty-four thousand, six hundred forty-five".