6664554035144 has 16 divisors (see below), whose sum is σ = 12496066880220. Its totient is φ = 3332269533760.

The previous prime is 6664554035143. The next prime is 6664554035173. The reversal of 6664554035144 is 4415304554666.

It can be written as a sum of positive squares in 2 ways, for example, as 6367234662244 + 297319372900 = 2523338^2 + 545270^2 .

It is not an unprimeable number, because it can be changed into a prime (6664554035141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5273102 + ... + 6413634.

Almost surely, 2^{6664554035144} is an apocalyptic number.

It is an amenable number.

6664554035144 is a deficient number, since it is larger than the sum of its proper divisors (5831512845076).

6664554035144 is a wasteful number, since it uses less digits than its factorization.

6664554035144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870960 (or 1870956 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 6664554035144 in words is "six trillion, six hundred sixty-four billion, five hundred fifty-four million, thirty-five thousand, one hundred forty-four".