67606548140 has 12 divisors (see below), whose sum is σ = 141973751136. Its totient is φ = 27042619248.

The previous prime is 67606548133. The next prime is 67606548169. The reversal of 67606548140 is 4184560676.

It is a super-2 number, since 2×67606548140² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690163684 + ... + 1690163723.

It is an arithmetic number, because the mean of its divisors is an integer number (11831145928).

Almost surely, 2^67606548140 is an apocalyptic number.

It is an amenable number.

67606548140 is an abundant number, since it is smaller than the sum of its proper divisors (74367202996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67606548140 is a wasteful number, since it uses less digits than its factorization.

67606548140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380327416 (or 3380327414 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 67606548140 in words is "sixty-seven billion, six hundred six million, five hundred forty-eight thousand, one hundred forty".