5445222645665 has 8 divisors (see below), whose sum is σ = 7128291463488. Its totient is φ = 3960161924080.

The previous prime is 5445222645647. The next prime is 5445222645719. The reversal of 5445222645665 is 5665462225445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5445222645665 - 2¹⁸ = 5445222383521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5445222645665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49502023997 + ... + 49502024106.

It is an arithmetic number, because the mean of its divisors is an integer number (891036432936).

Almost surely, 2^{5445222645665} is an apocalyptic number.

5445222645665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445222645665 is a deficient number, since it is larger than the sum of its proper divisors (1683068817823).

5445222645665 is a wasteful number, since it uses less digits than its factorization.

5445222645665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99004048119.

The product of its digits is 69120000, while the sum is 56.

The spelling of 5445222645665 in words is "five trillion, four hundred forty-five billion, two hundred twenty-two million, six hundred forty-five thousand, six hundred sixty-five".