6666641141834 has 16 divisors (see below), whose sum is σ = 10149294745800. Its totient is φ = 3283654129920.

The previous prime is 6666641141833. The next prime is 6666641141861. The reversal of 6666641141834 is 4381411466666.

It can be written as a sum of positive squares in 4 ways, for example, as 5330802175609 + 1335838966225 = 2308853^2 + 1155785^2 .

It is a super-2 number, since 2×6666641141834² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6666641141834.

It is not an unprimeable number, because it can be changed into a prime (6666641141833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27688859 + ... + 27928590.

Almost surely, 2^{6666641141834} is an apocalyptic number.

6666641141834 is a deficient number, since it is larger than the sum of its proper divisors (3482653603966).

6666641141834 is a wasteful number, since it uses less digits than its factorization.

6666641141834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55618345.

The product of its digits is 11943936, while the sum is 56.

The spelling of 6666641141834 in words is "six trillion, six hundred sixty-six billion, six hundred forty-one million, one hundred forty-one thousand, eight hundred thirty-four".