16660332724445 has 8 divisors (see below), whose sum is σ = 20480018763960. Its totient is φ = 13003186516480.

The previous prime is 16660332724411. The next prime is 16660332724447. The reversal of 16660332724445 is 54442723306661.

16660332724445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 116825872804 + 16543506851641 = 341798^2 + 4067371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16660332724445 - 2¹⁶ = 16660332658909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660332724447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40634957660 + ... + 40634958069.

It is an arithmetic number, because the mean of its divisors is an integer number (2560002345495).

Almost surely, 2^{16660332724445} is an apocalyptic number.

It is an amenable number.

16660332724445 is a deficient number, since it is larger than the sum of its proper divisors (3819686039515).

16660332724445 is an equidigital number, since it uses as much as digits as its factorization.

16660332724445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81269915775.

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 16660332724445 in words is "sixteen trillion, six hundred sixty billion, three hundred thirty-two million, seven hundred twenty-four thousand, four hundred forty-five".