66734070336732 has 12 divisors (see below), whose sum is σ = 155712830785736. Its totient is φ = 22244690112240.

The previous prime is 66734070336707. The next prime is 66734070336763. The reversal of 66734070336732 is 23763307043766.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×66734070336732² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 2780586264019 + ... + 2780586264042.

Almost surely, 2^{66734070336732} is an apocalyptic number.

It is an amenable number.

66734070336732 is an abundant number, since it is smaller than the sum of its proper divisors (88978760449004).

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

66734070336732 is a wasteful number, since it uses less digits than its factorization.

66734070336732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561172528068 (or 5561172528066 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 57.

The spelling of 66734070336732 in words is "sixty-six trillion, seven hundred thirty-four billion, seventy million, three hundred thirty-six thousand, seven hundred thirty-two".