6667066740071 has 4 divisors (see below), whose sum is σ = 6667450164600. Its totient is φ = 6666683315544.

The previous prime is 6667066740053. The next prime is 6667066740073. The reversal of 6667066740071 is 1700476607666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6667066740071 - 2¹⁸ = 6667066477927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6667066739989 and 6667066740016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667066740073) 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 3 ways as a sum of consecutive naturals, for example, 191686181 + ... + 191720958.

It is an arithmetic number, because the mean of its divisors is an integer number (1666862541150).

Almost surely, 2^{6667066740071} is an apocalyptic number.

6667066740071 is a deficient number, since it is larger than the sum of its proper divisors (383424529).

6667066740071 is a wasteful number, since it uses less digits than its factorization.

6667066740071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383424528.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 6667066740071 in words is "six trillion, six hundred sixty-seven billion, sixty-six million, seven hundred forty thousand, seventy-one".