165045636656616 has 32 divisors (see below), whose sum is σ = 412616155422240. Its totient is φ = 55014937048128.

The previous prime is 165045636656591. The next prime is 165045636656683. The reversal of 165045636656616 is 616656636540561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12271051 + ... + 21924186.

It is an arithmetic number, because the mean of its divisors is an integer number (12894254856945).

Almost surely, 2^{165045636656616} is an apocalyptic number.

It is an amenable number.

165045636656616 is an abundant number, since it is smaller than the sum of its proper divisors (247570518765624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165045636656616 is a wasteful number, since it uses less digits than its factorization.

165045636656616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34396353 (or 34396349 counting only the distinct ones).

The product of its (nonzero) digits is 419904000, while the sum is 66.

The spelling of 165045636656616 in words is "one hundred sixty-five trillion, forty-five billion, six hundred thirty-six million, six hundred fifty-six thousand, six hundred sixteen".