6671888881766 has 16 divisors (see below), whose sum is σ = 10353113118000. Its totient is φ = 3220855222368.

The previous prime is 6671888881751. The next prime is 6671888881849.

6671888881766 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413481 + ... + 4378203.

It is an arithmetic number, because the mean of its divisors is an integer number (647069569875).

Almost surely, 2^{6671888881766} is an apocalyptic number.

6671888881766 is a deficient number, since it is larger than the sum of its proper divisors (3681224236234).

6671888881766 is a wasteful number, since it uses less digits than its factorization.

6671888881766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023303.

The product of its digits is 2080899072, while the sum is 80.

The spelling of 6671888881766 in words is "six trillion, six hundred seventy-one billion, eight hundred eighty-eight million, eight hundred eighty-one thousand, seven hundred sixty-six".