22602065666 has 8 divisors (see below), whose sum is σ = 34284032460. Its totient is φ = 11174054848.

The previous prime is 22602065659. The next prime is 22602065669. The reversal of 22602065666 is 66656020622.

It can be written as a sum of positive squares in 2 ways, for example, as 21368300041 + 1233765625 = 146179^2 + 35125^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22602065669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63488771 + ... + 63489126.

Almost surely, 2^22602065666 is an apocalyptic number.

22602065666 is a deficient number, since it is larger than the sum of its proper divisors (11681966794).

22602065666 is a wasteful number, since it uses less digits than its factorization.

22602065666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126977988.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 22602065666 in words is "twenty-two billion, six hundred two million, sixty-five thousand, six hundred sixty-six".