16404241329 has 24 divisors (see below), whose sum is σ = 27523958592. Its totient is φ = 9220180320.

The previous prime is 16404241313. The next prime is 16404241333. The reversal of 16404241329 is 92314240461.

16404241329 is a `hidden beast` number, since 1 + 6 + 404 + 241 + 3 + 2 + 9 = 666.

It is not a de Polignac number, because 16404241329 - 2⁴ = 16404241313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16404241293 and 16404241302.

It is not an unprimeable number, because it can be changed into a prime (16404241339) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2130459 + ... + 2138144.

It is an arithmetic number, because the mean of its divisors is an integer number (1146831608).

Almost surely, 2^16404241329 is an apocalyptic number.

It is an amenable number.

16404241329 is a deficient number, since it is larger than the sum of its proper divisors (11119717263).

16404241329 is a wasteful number, since it uses less digits than its factorization.

16404241329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268677 (or 4268674 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 16404241329 in words is "sixteen billion, four hundred four million, two hundred forty-one thousand, three hundred twenty-nine".