16530205606 has 16 divisors (see below), whose sum is σ = 24834316320. Its totient is φ = 8252112960.

The previous prime is 16530205591. The next prime is 16530205607. The reversal of 16530205606 is 60650203561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530205607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5724295 + ... + 5727181.

It is an arithmetic number, because the mean of its divisors is an integer number (1552144770).

Almost surely, 2^16530205606 is an apocalyptic number.

16530205606 is a deficient number, since it is larger than the sum of its proper divisors (8304110714).

16530205606 is a wasteful number, since it uses less digits than its factorization.

16530205606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 16530205606 in words is "sixteen billion, five hundred thirty million, two hundred five thousand, six hundred six".