66446411464466 has 16 divisors (see below), whose sum is σ = 112237926697728. Its totient is φ = 29228626743600.

The previous prime is 66446411464441. The next prime is 66446411464487.

66446411464466 is nontrivially palindromic in base 10.

66446411464466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 66446411464399 and 66446411464408.

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, 48714377225 + ... + 48714378588.

It is an arithmetic number, because the mean of its divisors is an integer number (7014870418608).

Almost surely, 2^{66446411464466} is an apocalyptic number.

66446411464466 is a deficient number, since it is larger than the sum of its proper divisors (45791515233262).

66446411464466 is a wasteful number, since it uses less digits than its factorization.

66446411464466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97428755857.

The product of its digits is 191102976, while the sum is 62.

The spelling of 66446411464466 in words is "sixty-six trillion, four hundred forty-six billion, four hundred eleven million, four hundred sixty-four thousand, four hundred sixty-six".