16250505566 has 8 divisors (see below), whose sum is σ = 24376755384. Its totient is φ = 8124920440.

The previous prime is 16250505529. The next prime is 16250505587. The reversal of 16250505566 is 66550505261.

16250505566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99740 + ... + 206031.

It is an arithmetic number, because the mean of its divisors is an integer number (3047094423).

Almost surely, 2^16250505566 is an apocalyptic number.

16250505566 is a deficient number, since it is larger than the sum of its proper divisors (8126249818).

16250505566 is a wasteful number, since it uses less digits than its factorization.

16250505566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332346.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 16250505566 in words is "sixteen billion, two hundred fifty million, five hundred five thousand, five hundred sixty-six".