66493114413 has 48 divisors (see below), whose sum is σ = 98649270720. Its totient is φ = 39508300800.

The previous prime is 66493114397. The next prime is 66493114417. The reversal of 66493114413 is 31441139466.

It is not a de Polignac number, because 66493114413 - 2⁴ = 66493114397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66493114417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31829073 + ... + 31831161.

It is an arithmetic number, because the mean of its divisors is an integer number (2055193140).

Almost surely, 2^66493114413 is an apocalyptic number.

It is an amenable number.

66493114413 is a deficient number, since it is larger than the sum of its proper divisors (32156156307).

66493114413 is a wasteful number, since it uses less digits than its factorization.

66493114413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2357 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The spelling of 66493114413 in words is "sixty-six billion, four hundred ninety-three million, one hundred fourteen thousand, four hundred thirteen".