165632506606 has 32 divisors (see below), whose sum is σ = 284669614080. Its totient is φ = 70803463200.

The previous prime is 165632506603. The next prime is 165632506619. The reversal of 165632506606 is 606605236561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165632506603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18376641 + ... + 18385651.

It is an arithmetic number, because the mean of its divisors is an integer number (8895925440).

Almost surely, 2^165632506606 is an apocalyptic number.

165632506606 is a deficient number, since it is larger than the sum of its proper divisors (119037107474).

165632506606 is a wasteful number, since it uses less digits than its factorization.

165632506606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 165632506606 in words is "one hundred sixty-five billion, six hundred thirty-two million, five hundred six thousand, six hundred six".