22672111666 has 8 divisors (see below), whose sum is σ = 35180863020. Its totient is φ = 10945157328.

The previous prime is 22672111643. The next prime is 22672111687. The reversal of 22672111666 is 66611127622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21644588641 + 1027523025 = 147121^2 + 32055^2 .

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

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, 195449181 + ... + 195449296.

Almost surely, 2^22672111666 is an apocalyptic number.

22672111666 is a deficient number, since it is larger than the sum of its proper divisors (12508751354).

22672111666 is a wasteful number, since it uses less digits than its factorization.

22672111666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390898508.

The product of its digits is 72576, while the sum is 40.

The spelling of 22672111666 in words is "twenty-two billion, six hundred seventy-two million, one hundred eleven thousand, six hundred sixty-six".