16104005 has 4 divisors (see below), whose sum is σ = 19324812. Its totient is φ = 12883200.

The previous prime is 16103959. The next prime is 16104013. The reversal of 16104005 is 50040161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10042561 + 6061444 = 3169^2 + 2462^2 .

It is not a de Polignac number, because 16104005 - 2¹⁶ = 16038469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610396 + ... + 1610405.

It is an arithmetic number, because the mean of its divisors is an integer number (4831203).

Almost surely, 2^16104005 is an apocalyptic number.

It is an amenable number.

16104005 is a deficient number, since it is larger than the sum of its proper divisors (3220807).

16104005 is an equidigital number, since it uses as much as digits as its factorization.

16104005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220806.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 16104005 is about 4012.9795663571. The cubic root of 16104005 is about 252.5290232299.

Adding to 16104005 its reverse (50040161), we get a palindrome (66144166).

The spelling of 16104005 in words is "sixteen million, one hundred four thousand, five".