22643294166 has 12 divisors (see below), whose sum is σ = 49060470732. Its totient is φ = 7547764716.

The previous prime is 22643294153. The next prime is 22643294197. The reversal of 22643294166 is 66149234622.

22643294166 is a `hidden beast` number, since 2 + 264 + 329 + 4 + 1 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628980376 + ... + 628980411.

It is an arithmetic number, because the mean of its divisors is an integer number (4088372561).

Almost surely, 2^22643294166 is an apocalyptic number.

22643294166 is an abundant number, since it is smaller than the sum of its proper divisors (26417176566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22643294166 is a wasteful number, since it uses less digits than its factorization.

22643294166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257960795 (or 1257960792 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 22643294166 in words is "twenty-two billion, six hundred forty-three million, two hundred ninety-four thousand, one hundred sixty-six".