66967886348 has 24 divisors (see below), whose sum is σ = 127857006480. Its totient is φ = 30437752320.

The previous prime is 66967886341. The next prime is 66967886387. The reversal of 66967886348 is 84368876966.

It is not an unprimeable number, because it can be changed into a prime (66967886341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669248 + ... + 762776.

It is an arithmetic number, because the mean of its divisors is an integer number (5327375270).

Almost surely, 2^66967886348 is an apocalyptic number.

It is an amenable number.

66967886348 is a deficient number, since it is larger than the sum of its proper divisors (60889120132).

66967886348 is a wasteful number, since it uses less digits than its factorization.

66967886348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109817 (or 109815 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 71.

The spelling of 66967886348 in words is "sixty-six billion, nine hundred sixty-seven million, eight hundred eighty-six thousand, three hundred forty-eight".