66060107216205 has 32 divisors (see below), whose sum is σ = 106866764359680. Its totient is φ = 34842785325120.

The previous prime is 66060107216111. The next prime is 66060107216219. The reversal of 66060107216205 is 50261270106066.

66060107216205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66060107216205 - 2¹² = 66060107212109 is a prime.

It is a super-2 number, since 2×66060107216205² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 27787441 + ... + 30070950.

It is an arithmetic number, because the mean of its divisors is an integer number (3339586386240).

Almost surely, 2^{66060107216205} is an apocalyptic number.

It is an amenable number.

66060107216205 is a deficient number, since it is larger than the sum of its proper divisors (40806657143475).

66060107216205 is a wasteful number, since it uses less digits than its factorization.

66060107216205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57859241.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 66060107216205 in words is "sixty-six trillion, sixty billion, one hundred seven million, two hundred sixteen thousand, two hundred five".