16652645165 has 8 divisors (see below), whose sum is σ = 21520341528. Its totient is φ = 12297337920.

The previous prime is 16652645159. The next prime is 16652645189. The reversal of 16652645165 is 56154625661.

16652645165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3117882244 + 13534762921 = 55838^2 + 116339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16652645165 - 2⁶ = 16652645101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 128097206 + ... + 128097335.

It is an arithmetic number, because the mean of its divisors is an integer number (2690042691).

Almost surely, 2^16652645165 is an apocalyptic number.

It is an amenable number.

16652645165 is a deficient number, since it is larger than the sum of its proper divisors (4867696363).

16652645165 is a wasteful number, since it uses less digits than its factorization.

16652645165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256194559.

The product of its digits is 1296000, while the sum is 47.

The spelling of 16652645165 in words is "sixteen billion, six hundred fifty-two million, six hundred forty-five thousand, one hundred sixty-five".