66893676033 has 8 divisors (see below), whose sum is σ = 89193815200. Its totient is φ = 44594660448.

The previous prime is 66893676019. The next prime is 66893676053. The reversal of 66893676033 is 33067639866.

It is a happy number.

66893676033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66893676033 - 2⁸ = 66893675777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66893676053) 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, 130468 + ... + 388341.

It is an arithmetic number, because the mean of its divisors is an integer number (11149226900).

Almost surely, 2^66893676033 is an apocalyptic number.

It is an amenable number.

66893676033 is a deficient number, since it is larger than the sum of its proper divisors (22300139167).

66893676033 is a wasteful number, since it uses less digits than its factorization.

66893676033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561791.

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 66893676033 in words is "sixty-six billion, eight hundred ninety-three million, six hundred seventy-six thousand, thirty-three".