66067194985411 has 8 divisors (see below), whose sum is σ = 66074770395920. Its totient is φ = 66059619921792.

The previous prime is 66067194985399. The next prime is 66067194985481. The reversal of 66067194985411 is 11458949176066.

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 66067194985411 - 2¹⁵ = 66067194952643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66067194985481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600102976 + ... + 600213058.

It is an arithmetic number, because the mean of its divisors is an integer number (8259346299490).

Almost surely, 2^{66067194985411} is an apocalyptic number.

66067194985411 is a deficient number, since it is larger than the sum of its proper divisors (7575410509).

66067194985411 is a wasteful number, since it uses less digits than its factorization.

66067194985411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173445.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 66067194985411 in words is "sixty-six trillion, sixty-seven billion, one hundred ninety-four million, nine hundred eighty-five thousand, four hundred eleven".