1344445666685 has 32 divisors (see below), whose sum is σ = 1819498488192. Its totient is φ = 945193697280.

The previous prime is 1344445666679. The next prime is 1344445666699. The reversal of 1344445666685 is 5866665444431.

It is not a de Polignac number, because 1344445666685 - 2¹⁸ = 1344445404541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2700884 + ... + 3159693.

It is an arithmetic number, because the mean of its divisors is an integer number (56859327756).

Almost surely, 2^{1344445666685} is an apocalyptic number.

It is an amenable number.

1344445666685 is a deficient number, since it is larger than the sum of its proper divisors (475052821507).

1344445666685 is a wasteful number, since it uses less digits than its factorization.

1344445666685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860733.

The product of its digits is 199065600, while the sum is 62.

The spelling of 1344445666685 in words is "one trillion, three hundred forty-four billion, four hundred forty-five million, six hundred sixty-six thousand, six hundred eighty-five".