66066000005 has 16 divisors (see below), whose sum is σ = 83474806080. Its totient is φ = 50057263872.

The previous prime is 66065999957. The next prime is 66066000031. The reversal of 66066000005 is 50000066066.

66066000005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 66066000005 - 2¹⁶ = 66065934469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257162 + ... + 445268.

It is an arithmetic number, because the mean of its divisors is an integer number (5217175380).

Almost surely, 2^66066000005 is an apocalyptic number.

It is an amenable number.

66066000005 is a deficient number, since it is larger than the sum of its proper divisors (17408806075).

66066000005 is a wasteful number, since it uses less digits than its factorization.

66066000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191828.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 66066000005 in words is "sixty-six billion, sixty-six million, five", and thus it is an aban number and an uban number.