165308513265016 has 32 divisors (see below), whose sum is σ = 338385858727680. Its totient is φ = 75083609109600.

The previous prime is 165308513265013. The next prime is 165308513265043. The reversal of 165308513265016 is 610562315803561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165308513265013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707684970 + ... + 707918521.

It is an arithmetic number, because the mean of its divisors is an integer number (10574558085240).

Almost surely, 2^{165308513265016} is an apocalyptic number.

It is an amenable number.

165308513265016 is an abundant number, since it is smaller than the sum of its proper divisors (173077345462664).

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

165308513265016 is a wasteful number, since it uses less digits than its factorization.

165308513265016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415604835 (or 1415604831 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 165308513265016 in words is "one hundred sixty-five trillion, three hundred eight billion, five hundred thirteen million, two hundred sixty-five thousand, sixteen".