2144471594166 has 32 divisors (see below), whose sum is σ = 5198719017600. Its totient is φ = 649839876840.

The previous prime is 2144471594149. The next prime is 2144471594203. The reversal of 2144471594166 is 6614951744412.

2144471594166 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 47 + 1 + 594 + 1 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1805110176 + ... + 1805111363.

It is an arithmetic number, because the mean of its divisors is an integer number (162459969300).

Almost surely, 2^{2144471594166} is an apocalyptic number.

2144471594166 is an abundant number, since it is smaller than the sum of its proper divisors (3054247423434).

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

2144471594166 is a wasteful number, since it uses less digits than its factorization.

2144471594166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610221561 (or 3610221555 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

It can be divided in two parts, 21444715 and 94166, that added together give a square (21538881 = 4641²).

The spelling of 2144471594166 in words is "two trillion, one hundred forty-four billion, four hundred seventy-one million, five hundred ninety-four thousand, one hundred sixty-six".