66674810411 has 12 divisors (see below), whose sum is σ = 75267928176. Its totient is φ = 58975258320.

The previous prime is 66674810387. The next prime is 66674810417. The reversal of 66674810411 is 11401847666.

66674810411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-66674810411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66674810417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7441895 + ... + 7450848.

It is an arithmetic number, because the mean of its divisors is an integer number (6272327348).

Almost surely, 2^66674810411 is an apocalyptic number.

66674810411 is a deficient number, since it is larger than the sum of its proper divisors (8593117765).

66674810411 is a wasteful number, since it uses less digits than its factorization.

66674810411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892802 (or 14892791 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 66674810411 in words is "sixty-six billion, six hundred seventy-four million, eight hundred ten thousand, four hundred eleven".