16404336324125 has 32 divisors (see below), whose sum is σ = 20706548179200. Its totient is φ = 12974349960000.

The previous prime is 16404336324119. The next prime is 16404336324133. The reversal of 16404336324125 is 52142363340461.

It is not a de Polignac number, because 16404336324125 - 2²⁶ = 16404269215261 is a prime.

It is a super-3 number, since 3×16404336324125³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1805150 + ... + 6005600.

It is an arithmetic number, because the mean of its divisors is an integer number (647079630600).

Almost surely, 2^{16404336324125} is an apocalyptic number.

It is an amenable number.

16404336324125 is a deficient number, since it is larger than the sum of its proper divisors (4302211855075).

16404336324125 is a wasteful number, since it uses less digits than its factorization.

16404336324125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200822 (or 4200812 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 44.

Adding to 16404336324125 its reverse (52142363340461), we get a palindrome (68546699664586).

The spelling of 16404336324125 in words is "sixteen trillion, four hundred four billion, three hundred thirty-six million, three hundred twenty-four thousand, one hundred twenty-five".