16500000566 has 8 divisors (see below), whose sum is σ = 28285715280. Its totient is φ = 7071428808.

The previous prime is 16500000563. The next prime is 16500000571. The reversal of 16500000566 is 66500000561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500000563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589285721 + ... + 589285748.

It is an arithmetic number, because the mean of its divisors is an integer number (3535714410).

Almost surely, 2^16500000566 is an apocalyptic number.

16500000566 is a deficient number, since it is larger than the sum of its proper divisors (11785714714).

16500000566 is a wasteful number, since it uses less digits than its factorization.

16500000566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178571478.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 16500000566 in words is "sixteen billion, five hundred million, five hundred sixty-six", and thus it is an aban number.