66967886332 has 36 divisors (see below), whose sum is σ = 118828231816. Its totient is φ = 33023256480.

The previous prime is 66967886303. The next prime is 66967886333. The reversal of 66967886332 is 23368876966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66967886333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19039438 + ... + 19042954.

Almost surely, 2^66967886332 is an apocalyptic number.

It is an amenable number.

66967886332 is a deficient number, since it is larger than the sum of its proper divisors (51860345484).

66967886332 is a wasteful number, since it uses less digits than its factorization.

66967886332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378 (or 4293 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 64.

The spelling of 66967886332 in words is "sixty-six billion, nine hundred sixty-seven million, eight hundred eighty-six thousand, three hundred thirty-two".