16660573445071 has 32 divisors (see below), whose sum is σ = 18258377702400. Its totient is φ = 15139883996160.

The previous prime is 16660573445059. The next prime is 16660573445093. The reversal of 16660573445071 is 17054437506661.

It is a cyclic number.

It is not a de Polignac number, because 16660573445071 - 2⁷ = 16660573444943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660573445011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269248266 + ... + 269310136.

It is an arithmetic number, because the mean of its divisors is an integer number (570574303200).

Almost surely, 2^{16660573445071} is an apocalyptic number.

16660573445071 is a deficient number, since it is larger than the sum of its proper divisors (1597804257329).

16660573445071 is a wasteful number, since it uses less digits than its factorization.

16660573445071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66159.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 16660573445071 in words is "sixteen trillion, six hundred sixty billion, five hundred seventy-three million, four hundred forty-five thousand, seventy-one".