1466178716641 has 2 divisors, whose sum is σ = 1466178716642. Its totient is φ = 1466178716640.

The previous prime is 1466178716633. The next prime is 1466178716647.

1466178716641 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1439210508241 + 26968208400 = 1199671^2 + 164220^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1466178716641 - 2³ = 1466178716633 is a prime.

It is a super-3 number, since 3×1466178716641³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1466178716647) by changing a digit.

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 as a sum of consecutive naturals, namely, 733089358320 + 733089358321.

It is an arithmetic number, because the mean of its divisors is an integer number (733089358321).

Almost surely, 2^{1466178716641} is an apocalyptic number.

It is an amenable number.

1466178716641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466178716641 is an equidigital number, since it uses as much as digits as its factorization.

1466178716641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 58.

The spelling of 1466178716641 in words is "one trillion, four hundred sixty-six billion, one hundred seventy-eight million, seven hundred sixteen thousand, six hundred forty-one".