666071480381108 has 12 divisors (see below), whose sum is σ = 1165658776574880. Its totient is φ = 333026115645432.

The previous prime is 666071480381033. The next prime is 666071480381113. The reversal of 666071480381108 is 801183084170666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405980568 + ... + 2406257391.

It is an arithmetic number, because the mean of its divisors is an integer number (97138231381240).

Almost surely, 2^{666071480381108} is an apocalyptic number.

It is an amenable number.

666071480381108 is a deficient number, since it is larger than the sum of its proper divisors (499587296193772).

666071480381108 is a wasteful number, since it uses less digits than its factorization.

666071480381108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812272566 (or 4812272564 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 666071480381108 in words is "six hundred sixty-six trillion, seventy-one billion, four hundred eighty million, three hundred eighty-one thousand, one hundred eight".