6666011771830 has 16 divisors (see below), whose sum is σ = 12202191041040. Its totient is φ = 2621211408352.

The previous prime is 6666011771777. The next prime is 6666011771879. The reversal of 6666011771830 is 381771106666.

It is a super-2 number, since 2×6666011771830² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5649161929 + ... + 5649163108.

It is an arithmetic number, because the mean of its divisors is an integer number (762636940065).

Almost surely, 2^{6666011771830} is an apocalyptic number.

6666011771830 is a deficient number, since it is larger than the sum of its proper divisors (5536179269210).

6666011771830 is a wasteful number, since it uses less digits than its factorization.

6666011771830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11298325103.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 6666011771830 in words is "six trillion, six hundred sixty-six billion, eleven million, seven hundred seventy-one thousand, eight hundred thirty".