6667067400405 has 16 divisors (see below), whose sum is σ = 10667349214080. Its totient is φ = 3555755489088.

The previous prime is 6667067400379. The next prime is 6667067400419. The reversal of 6667067400405 is 5040047607666.

It is not a de Polignac number, because 6667067400405 - 2¹³ = 6667067392213 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4030056 + ... + 5438334.

It is an arithmetic number, because the mean of its divisors is an integer number (666709325880).

Almost surely, 2^{6667067400405} is an apocalyptic number.

It is an amenable number.

6667067400405 is a deficient number, since it is larger than the sum of its proper divisors (4000281813675).

6667067400405 is a wasteful number, since it uses less digits than its factorization.

6667067400405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723900.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 6667067400405 in words is "six trillion, six hundred sixty-seven billion, sixty-seven million, four hundred thousand, four hundred five".