16404226004 has 48 divisors (see below), whose sum is σ = 31240440000. Its totient is φ = 7511325696.

The previous prime is 16404225997. The next prime is 16404226019. The reversal of 16404226004 is 40062240461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291122 + ... + 342870.

It is an arithmetic number, because the mean of its divisors is an integer number (650842500).

Almost surely, 2^16404226004 is an apocalyptic number.

It is an amenable number.

16404226004 is a deficient number, since it is larger than the sum of its proper divisors (14836213996).

16404226004 is a wasteful number, since it uses less digits than its factorization.

16404226004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51912 (or 51910 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 16404226004 its reverse (40062240461), we get a palindrome (56466466465).

The spelling of 16404226004 in words is "sixteen billion, four hundred four million, two hundred twenty-six thousand, four".