16404106 has 24 divisors (see below), whose sum is σ = 27226080. Its totient is φ = 7378272.

The previous prime is 16404071. The next prime is 16404109. The reversal of 16404106 is 60140461.

It is not an unprimeable number, because it can be changed into a prime (16404109) 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 11 ways as a sum of consecutive naturals, for example, 119670 + ... + 119806.

It is an arithmetic number, because the mean of its divisors is an integer number (1134420).

Almost surely, 2^16404106 is an apocalyptic number.

16404106 is a deficient number, since it is larger than the sum of its proper divisors (10821974).

16404106 is a wasteful number, since it uses less digits than its factorization.

16404106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16404106 is about 4050.1982667519. The cubic root of 16404106 is about 254.0880200039.

Adding to 16404106 its reverse (60140461), we get a palindrome (76544567).

The spelling of 16404106 in words is "sixteen million, four hundred four thousand, one hundred six".