6666113734573 has 24 divisors (see below), whose sum is σ = 6892998813288. Its totient is φ = 6445439649792.

The previous prime is 6666113734561. The next prime is 6666113734589. The reversal of 6666113734573 is 3754373116666.

It can be written as a sum of positive squares in 12 ways, for example, as 860317466089 + 5805796268484 = 927533^2 + 2409522^2 .

It is not a de Polignac number, because 6666113734573 - 2⁵ = 6666113734541 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666113734543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261845061 + ... + 261870517.

It is an arithmetic number, because the mean of its divisors is an integer number (287208283887).

Almost surely, 2^{6666113734573} is an apocalyptic number.

It is an amenable number.

6666113734573 is a deficient number, since it is larger than the sum of its proper divisors (226885078715).

6666113734573 is a wasteful number, since it uses less digits than its factorization.

6666113734573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26913 (or 26860 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 58.

The spelling of 6666113734573 in words is "six trillion, six hundred sixty-six billion, one hundred thirteen million, seven hundred thirty-four thousand, five hundred seventy-three".