67660806676 has 24 divisors (see below), whose sum is σ = 121216987584. Its totient is φ = 33028121280.

The previous prime is 67660806643. The next prime is 67660806679.

67660806676 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 67660806676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67660806679) 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, 278961 + ... + 461671.

It is an arithmetic number, because the mean of its divisors is an integer number (5050707816).

Almost surely, 2^67660806676 is an apocalyptic number.

It is an amenable number.

67660806676 is a deficient number, since it is larger than the sum of its proper divisors (53556180908).

67660806676 is a wasteful number, since it uses less digits than its factorization.

67660806676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184911 (or 184909 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 67660806676 in words is "sixty-seven billion, six hundred sixty million, eight hundred six thousand, six hundred seventy-six".