66485458466 has 16 divisors (see below), whose sum is σ = 115103540160. Its totient is φ = 28211650800.

The previous prime is 66485458453. The next prime is 66485458607.

66485458466 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×66485458466² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66485458399 and 66485458408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23508296 + ... + 23511123.

It is an arithmetic number, because the mean of its divisors is an integer number (7193971260).

Almost surely, 2^66485458466 is an apocalyptic number.

66485458466 is a deficient number, since it is larger than the sum of its proper divisors (48618081694).

66485458466 is a wasteful number, since it uses less digits than its factorization.

66485458466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47019529.

The product of its digits is 132710400, while the sum is 62.

The spelling of 66485458466 in words is "sixty-six billion, four hundred eighty-five million, four hundred fifty-eight thousand, four hundred sixty-six".