165065501016616 has 16 divisors (see below), whose sum is σ = 309497979613140. Its totient is φ = 82532706453120.

The previous prime is 165065501016613. The next prime is 165065501016667. The reversal of 165065501016616 is 616610105560561.

It can be written as a sum of positive squares in 2 ways, for example, as 127497746420100 + 37567754596516 = 11291490^2 + 6129254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165065501016616.

It is not an unprimeable number, because it can be changed into a prime (165065501016613) by changing a digit.

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, 14838540 + ... + 23458756.

Almost surely, 2^{165065501016616} is an apocalyptic number.

It is an amenable number.

165065501016616 is a deficient number, since it is larger than the sum of its proper divisors (144432478596524).

165065501016616 is a wasteful number, since it uses less digits than its factorization.

165065501016616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013804 (or 11013800 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 165065501016616 in words is "one hundred sixty-five trillion, sixty-five billion, five hundred one million, sixteen thousand, six hundred sixteen".