16556025705604 has 36 divisors (see below), whose sum is σ = 36395891228032. Its totient is φ = 6450399624240.

The previous prime is 16556025705521. The next prime is 16556025705613. The reversal of 16556025705604 is 40650752065561.

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 11 ways as a sum of consecutive naturals, for example, 2443329804 + ... + 2443336579.

Almost surely, 2^{16556025705604} is an apocalyptic number.

16556025705604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16556025705604 is an abundant number, since it is smaller than the sum of its proper divisors (19839865522428).

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

16556025705604 is a wasteful number, since it uses less digits than its factorization.

16556025705604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886666416 (or 4886666403 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 16556025705604 in words is "sixteen trillion, five hundred fifty-six billion, twenty-five million, seven hundred five thousand, six hundred four".