22066600440653 has 2 divisors, whose sum is σ = 22066600440654. Its totient is φ = 22066600440652.

The previous prime is 22066600440583. The next prime is 22066600440701. The reversal of 22066600440653 is 35604400666022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20129418042724 + 1937182397929 = 4486582^2 + 1391827^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066600440653 - 2¹⁰ = 22066600439629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066600440253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033300220326 + 11033300220327.

It is an arithmetic number, because the mean of its divisors is an integer number (11033300220327).

Almost surely, 2^{22066600440653} is an apocalyptic number.

It is an amenable number.

22066600440653 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066600440653 is an equidigital number, since it uses as much as digits as its factorization.

22066600440653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 22066600440653 in words is "twenty-two trillion, sixty-six billion, six hundred million, four hundred forty thousand, six hundred fifty-three".