16566900268 has 6 divisors (see below), whose sum is σ = 28992075476. Its totient is φ = 8283450132.

The previous prime is 16566900263. The next prime is 16566900271. The reversal of 16566900268 is 86200966561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16566900263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070862530 + ... + 2070862537.

Almost surely, 2^16566900268 is an apocalyptic number.

It is an amenable number.

16566900268 is a deficient number, since it is larger than the sum of its proper divisors (12425175208).

16566900268 is a wasteful number, since it uses less digits than its factorization.

16566900268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141725071 (or 4141725069 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 16566900268 in words is "sixteen billion, five hundred sixty-six million, nine hundred thousand, two hundred sixty-eight".