16661056004024 has 16 divisors (see below), whose sum is σ = 31705740904200. Its totient is φ = 8206191762912.

The previous prime is 16661056004009. The next prime is 16661056004039. The reversal of 16661056004024 is 42040065016661.

It is an interprime number because it is at equal distance from previous prime (16661056004009) and next prime (16661056004039).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15542029319 + ... + 15542030390.

Almost surely, 2^{16661056004024} is an apocalyptic number.

It is an amenable number.

16661056004024 is a deficient number, since it is larger than the sum of its proper divisors (15044684900176).

16661056004024 is a wasteful number, since it uses less digits than its factorization.

16661056004024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31084059782 (or 31084059778 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 16661056004024 in words is "sixteen trillion, six hundred sixty-one billion, fifty-six million, four thousand, twenty-four".