1044664046645 has 16 divisors (see below), whose sum is σ = 1268762927040. Its totient is φ = 825621515904.

The previous prime is 1044664046609. The next prime is 1044664046753. The reversal of 1044664046645 is 5466404664401.

It is a cyclic number.

It is not a de Polignac number, because 1044664046645 - 2⁶ = 1044664046581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044664046593 and 1044664046602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10565246 + ... + 10663664.

It is an arithmetic number, because the mean of its divisors is an integer number (79297682940).

Almost surely, 2^{1044664046645} is an apocalyptic number.

It is an amenable number.

1044664046645 is a deficient number, since it is larger than the sum of its proper divisors (224098880395).

1044664046645 is an equidigital number, since it uses as much as digits as its factorization.

1044664046645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124084.

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 1044664046645 in words is "one trillion, forty-four billion, six hundred sixty-four million, forty-six thousand, six hundred forty-five".