16506104 has 16 divisors (see below), whose sum is σ = 32016600. Its totient is φ = 7968352.

The previous prime is 16506101. The next prime is 16506163. The reversal of 16506104 is 40160561.

It is a self number, because there is not a number n which added to its sum of digits gives 16506104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35342 + ... + 35805.

Almost surely, 2^16506104 is an apocalyptic number.

It is an amenable number.

16506104 is a deficient number, since it is larger than the sum of its proper divisors (15510496).

16506104 is a wasteful number, since it uses less digits than its factorization.

16506104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71182 (or 71178 counting only the distinct ones).

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

The square root of 16506104 is about 4062.7704833032. The cubic root of 16506104 is about 254.6135579369.

Adding to 16506104 its reverse (40160561), we get a palindrome (56666665).

The spelling of 16506104 in words is "sixteen million, five hundred six thousand, one hundred four".