16324401 has 8 divisors (see below), whose sum is σ = 22911520. Its totient is φ = 10310112.

The previous prime is 16324397. The next prime is 16324433. The reversal of 16324401 is 10442361.

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

It is not a de Polignac number, because 16324401 - 2² = 16324397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16324201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143140 + ... + 143253.

It is an arithmetic number, because the mean of its divisors is an integer number (2863940).

Almost surely, 2^16324401 is an apocalyptic number.

It is an amenable number.

16324401 is a deficient number, since it is larger than the sum of its proper divisors (6587119).

16324401 is a wasteful number, since it uses less digits than its factorization.

16324401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286415.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16324401 is about 4040.3466435443. The cubic root of 16324401 is about 253.6758269623.

Adding to 16324401 its reverse (10442361), we get a palindrome (26766762).

The spelling of 16324401 in words is "sixteen million, three hundred twenty-four thousand, four hundred one".