66084288248066 has 24 divisors (see below), whose sum is σ = 108957728466300. Its totient is φ = 30038154173280.

The previous prime is 66084288248057. The next prime is 66084288248119.

It is a happy number.

66084288248066 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 63245834925625 + 2838453322441 = 7952725^2 + 1684771^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66084288247987 and 66084288248005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53634920 + ... + 54853196.

Almost surely, 2^{66084288248066} is an apocalyptic number.

66084288248066 is a deficient number, since it is larger than the sum of its proper divisors (42873440218234).

66084288248066 is a wasteful number, since it uses less digits than its factorization.

66084288248066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442450 (or 1442439 counting only the distinct ones).

The product of its (nonzero) digits is 339738624, while the sum is 68.

The spelling of 66084288248066 in words is "sixty-six trillion, eighty-four billion, two hundred eighty-eight million, two hundred forty-eight thousand, sixty-six".