66767407744411 has 8 divisors (see below), whose sum is σ = 72932884540848. Its totient is φ = 60617883024000.

The previous prime is 66767407744403. The next prime is 66767407744489. The reversal of 66767407744411 is 11444770476766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66767407744411 - 2³ = 66767407744403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66767407744211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3988010250 + ... + 3988026991.

It is an arithmetic number, because the mean of its divisors is an integer number (9116610567606).

Almost surely, 2^{66767407744411} is an apocalyptic number.

66767407744411 is a deficient number, since it is larger than the sum of its proper divisors (6165476796437).

66767407744411 is a wasteful number, since it uses less digits than its factorization.

66767407744411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976038013.

The product of its (nonzero) digits is 132765696, while the sum is 64.

The spelling of 66767407744411 in words is "sixty-six trillion, seven hundred sixty-seven billion, four hundred seven million, seven hundred forty-four thousand, four hundred eleven".