16504063905012 has 24 divisors (see below), whose sum is σ = 38515111854912. Its totient is φ = 5500550433600.

The previous prime is 16504063904971. The next prime is 16504063905031. The reversal of 16504063905012 is 21050936040561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100439664 + ... + 100603847.

It is an arithmetic number, because the mean of its divisors is an integer number (1604796327288).

Almost surely, 2^{16504063905012} is an apocalyptic number.

16504063905012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16504063905012 is an abundant number, since it is smaller than the sum of its proper divisors (22011047949900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16504063905012 is a wasteful number, since it uses less digits than its factorization.

16504063905012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201050359 (or 201050357 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

Adding to 16504063905012 its reverse (21050936040561), we get a palindrome (37554999945573).

The spelling of 16504063905012 in words is "sixteen trillion, five hundred four billion, sixty-three million, nine hundred five thousand, twelve".