16655566652 has 6 divisors (see below), whose sum is σ = 29147241648. Its totient is φ = 8327783324.

The previous prime is 16655566651. The next prime is 16655566661. The reversal of 16655566652 is 25666555661.

It is a junction number, because it is equal to n+sod(n) for n = 16655566594 and 16655566603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655566651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081945828 + ... + 2081945835.

It is an arithmetic number, because the mean of its divisors is an integer number (4857873608).

Almost surely, 2^16655566652 is an apocalyptic number.

It is an amenable number.

16655566652 is a deficient number, since it is larger than the sum of its proper divisors (12491674996).

16655566652 is a wasteful number, since it uses less digits than its factorization.

16655566652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163891667 (or 4163891665 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 53.

The spelling of 16655566652 in words is "sixteen billion, six hundred fifty-five million, five hundred sixty-six thousand, six hundred fifty-two".