5663236323665 has 8 divisors (see below), whose sum is σ = 6806485594728. Its totient is φ = 4523521054720.

The previous prime is 5663236323649. The next prime is 5663236323671.

5663236323665 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 619115611921 + 5044120711744 = 786839^2 + 2245912^2 .

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

It is not a de Polignac number, because 5663236323665 - 2⁴ = 5663236323649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5663236323665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883497002 + ... + 883503411.

It is an arithmetic number, because the mean of its divisors is an integer number (850810699341).

Almost surely, 2^{5663236323665} is an apocalyptic number.

It is an amenable number.

5663236323665 is a deficient number, since it is larger than the sum of its proper divisors (1143249271063).

5663236323665 is a wasteful number, since it uses less digits than its factorization.

5663236323665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767001059.

The product of its digits is 62985600, while the sum is 56.

The spelling of 5663236323665 in words is "five trillion, six hundred sixty-three billion, two hundred thirty-six million, three hundred twenty-three thousand, six hundred sixty-five".