1605416441365 has 16 divisors (see below), whose sum is σ = 2113377065280. Its totient is φ = 1161052817920.

The previous prime is 1605416441351. The next prime is 1605416441383. The reversal of 1605416441365 is 5631446145061.

It is not a de Polignac number, because 1605416441365 - 2¹⁵ = 1605416408597 is a prime.

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, 81524764 + ... + 81544453.

It is an arithmetic number, because the mean of its divisors is an integer number (132086066580).

Almost surely, 2^{1605416441365} is an apocalyptic number.

It is an amenable number.

1605416441365 is a deficient number, since it is larger than the sum of its proper divisors (507960623915).

1605416441365 is a wasteful number, since it uses less digits than its factorization.

1605416441365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163069412.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1605416441365 in words is "one trillion, six hundred five billion, four hundred sixteen million, four hundred forty-one thousand, three hundred sixty-five".