16004801 has 6 divisors (see below), whose sum is σ = 16406406. Its totient is φ = 15612800.

The previous prime is 16004789. The next prime is 16004809. The reversal of 16004801 is 10840061.

16004801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 638401 + 15366400 = 799^2 + 3920^2 .

It is not a de Polignac number, because 16004801 - 2²² = 11810497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16004809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3080 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (2734401).

Almost surely, 2^16004801 is an apocalyptic number.

It is an amenable number.

16004801 is a deficient number, since it is larger than the sum of its proper divisors (401605).

16004801 is an frugal number, since it uses more digits than its factorization.

16004801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603 (or 9562 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 16004801 is about 4000.6000799880. The cubic root of 16004801 is about 252.0094111292.

Adding to 16004801 its reverse (10840061), we get a palindrome (26844862).

The spelling of 16004801 in words is "sixteen million, four thousand, eight hundred one".