66734070336708 has 24 divisors (see below), whose sum is σ = 157318117703712. Its totient is φ = 22015363409664.

The previous prime is 66734070336707. The next prime is 66734070336763. The reversal of 66734070336708 is 80763307043766.

It is a happy number.

66734070336708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66734070336708² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66734070336707) 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 7 ways as a sum of consecutive naturals, for example, 28665836610 + ... + 28665838937.

It is an arithmetic number, because the mean of its divisors is an integer number (6554921570988).

Almost surely, 2^{66734070336708} is an apocalyptic number.

It is an amenable number.

66734070336708 is an abundant number, since it is smaller than the sum of its proper divisors (90584047367004).

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

66734070336708 is a wasteful number, since it uses less digits than its factorization.

66734070336708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57331675651 (or 57331675649 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 60.

The spelling of 66734070336708 in words is "sixty-six trillion, seven hundred thirty-four billion, seventy million, three hundred thirty-six thousand, seven hundred eight".