6666734007067 has 4 divisors (see below), whose sum is σ = 6846916007296. Its totient is φ = 6486552006840.

The previous prime is 6666734007049. The next prime is 6666734007119. The reversal of 6666734007067 is 7607004376666.

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 6666734007067 - 2³⁵ = 6632374268699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666734007007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90091000059 + ... + 90091000132.

It is an arithmetic number, because the mean of its divisors is an integer number (1711729001824).

Almost surely, 2^{6666734007067} is an apocalyptic number.

6666734007067 is a deficient number, since it is larger than the sum of its proper divisors (180182000229).

6666734007067 is a wasteful number, since it uses less digits than its factorization.

6666734007067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180182000228.

The product of its (nonzero) digits is 32006016, while the sum is 58.

The spelling of 6666734007067 in words is "six trillion, six hundred sixty-six billion, seven hundred thirty-four million, seven thousand, sixty-seven".