22737461616665 has 4 divisors (see below), whose sum is σ = 27284953940004. Its totient is φ = 18189969293328.

The previous prime is 22737461616659. The next prime is 22737461616763. The reversal of 22737461616665 is 56661616473722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8342236453849 + 14395225162816 = 2888293^2 + 3794104^2 .

It is a cyclic number.

It is not a de Polignac number, because 22737461616665 - 2²⁰ = 22737460568089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22737461616598 and 22737461616607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273746161662 + ... + 2273746161671.

It is an arithmetic number, because the mean of its divisors is an integer number (6821238485001).

Almost surely, 2^{22737461616665} is an apocalyptic number.

It is an amenable number.

22737461616665 is a deficient number, since it is larger than the sum of its proper divisors (4547492323339).

22737461616665 is an equidigital number, since it uses as much as digits as its factorization.

22737461616665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547492323338.

The product of its digits is 91445760, while the sum is 62.

The spelling of 22737461616665 in words is "twenty-two trillion, seven hundred thirty-seven billion, four hundred sixty-one million, six hundred sixteen thousand, six hundred sixty-five".