66740859106632 has 32 divisors (see below), whose sum is σ = 185391275296800. Its totient is φ = 22246953035472.

The previous prime is 66740859106627. The next prime is 66740859106667. The reversal of 66740859106632 is 23660195804766.

66740859106632 is a `hidden beast` number, since 6 + 6 + 7 + 4 + 0 + 8 + 591 + 0 + 6 + 6 + 32 = 666.

66740859106632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66740859106632.

It is an unprimeable number.

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, 154492729198 + ... + 154492729629.

It is an arithmetic number, because the mean of its divisors is an integer number (5793477353025).

It is a 1-persistent number, because it is pandigital, but 2⋅66740859106632 = 133481718213264 is not.

Almost surely, 2^{66740859106632} is an apocalyptic number.

It is an amenable number.

66740859106632 is an abundant number, since it is smaller than the sum of its proper divisors (118650416190168).

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

66740859106632 is a wasteful number, since it uses less digits than its factorization.

66740859106632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308985458842 (or 308985458832 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 66740859106632 in words is "sixty-six trillion, seven hundred forty billion, eight hundred fifty-nine million, one hundred six thousand, six hundred thirty-two".