16671571055004 has 24 divisors (see below), whose sum is σ = 38901483387648. Its totient is φ = 5557025933680.

The previous prime is 16671571054997. The next prime is 16671571055077. The reversal of 16671571055004 is 40055017517661.

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, 20129412 + ... + 20941259.

It is an arithmetic number, because the mean of its divisors is an integer number (1620895141152).

Almost surely, 2^{16671571055004} is an apocalyptic number.

It is an amenable number.

16671571055004 is an abundant number, since it is smaller than the sum of its proper divisors (22229912332644).

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

16671571055004 is a wasteful number, since it uses less digits than its factorization.

16671571055004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41104505 (or 41104503 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 16671571055004 in words is "sixteen trillion, six hundred seventy-one billion, five hundred seventy-one million, fifty-five thousand, four".