16662566303372 has 144 divisors (see below), whose sum is σ = 32658131167200. Its totient is φ = 7431914265600.

The previous prime is 16662566303371. The next prime is 16662566303393. The reversal of 16662566303372 is 27330366526661.

It is a super-2 number, since 2×16662566303372² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16662566303371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4240915904 + ... + 4240919832.

It is an arithmetic number, because the mean of its divisors is an integer number (226792577550).

Almost surely, 2^{16662566303372} is an apocalyptic number.

It is an amenable number.

16662566303372 is a deficient number, since it is larger than the sum of its proper divisors (15995564863828).

16662566303372 is a wasteful number, since it uses less digits than its factorization.

16662566303372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 56.

The spelling of 16662566303372 in words is "sixteen trillion, six hundred sixty-two billion, five hundred sixty-six million, three hundred three thousand, three hundred seventy-two".