67071166066 has 16 divisors (see below), whose sum is σ = 103758203520. Its totient is φ = 32492683440.

The previous prime is 67071166033. The next prime is 67071166067. The reversal of 67071166066 is 66066117076.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67071166067) 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, 1878480 + ... + 1913851.

It is an arithmetic number, because the mean of its divisors is an integer number (6484887720).

Almost surely, 2^67071166066 is an apocalyptic number.

67071166066 is a deficient number, since it is larger than the sum of its proper divisors (36687037454).

67071166066 is a wasteful number, since it uses less digits than its factorization.

67071166066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792609.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 67071166066 in words is "sixty-seven billion, seventy-one million, one hundred sixty-six thousand, sixty-six".