22516355666 has 16 divisors (see below), whose sum is σ = 38997401856. Its totient is φ = 9550382976.

The previous prime is 22516355639. The next prime is 22516355671. The reversal of 22516355666 is 66655361522.

It is a self number, because there is not a number n which added to its sum of digits gives 22516355666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8288906 + ... + 8291621.

It is an arithmetic number, because the mean of its divisors is an integer number (2437337616).

Almost surely, 2^22516355666 is an apocalyptic number.

22516355666 is a deficient number, since it is larger than the sum of its proper divisors (16481046190).

22516355666 is a wasteful number, since it uses less digits than its factorization.

22516355666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16580633.

The product of its digits is 1944000, while the sum is 47.

The spelling of 22516355666 in words is "twenty-two billion, five hundred sixteen million, three hundred fifty-five thousand, six hundred sixty-six".