16504106 has 8 divisors (see below), whose sum is σ = 24787620. Its totient is φ = 8241568.

The previous prime is 16504079. The next prime is 16504139. The reversal of 16504106 is 60140561.

It can be written as a sum of positive squares in 2 ways, for example, as 11282881 + 5221225 = 3359^2 + 2285^2 .

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

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, 3101 + ... + 6528.

Almost surely, 2^16504106 is an apocalyptic number.

16504106 is a deficient number, since it is larger than the sum of its proper divisors (8283514).

16504106 is an equidigital number, since it uses as much as digits as its factorization.

16504106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16504106 is about 4062.5245845410. The cubic root of 16504106 is about 254.6032841938.

Adding to 16504106 its reverse (60140561), we get a palindrome (76644667).

The spelling of 16504106 in words is "sixteen million, five hundred four thousand, one hundred six".