165072265547 has 8 divisors (see below), whose sum is σ = 189463693536. Its totient is φ = 140883256512.

The previous prime is 165072265537. The next prime is 165072265549. The reversal of 165072265547 is 745562270561.

165072265547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 165072265547 - 2¹⁸ = 165072003403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165072265495 and 165072265504.

It is not an unprimeable number, because it can be changed into a prime (165072265549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50602988 + ... + 50606249.

It is an arithmetic number, because the mean of its divisors is an integer number (23682961692).

Almost surely, 2^165072265547 is an apocalyptic number.

165072265547 is a deficient number, since it is larger than the sum of its proper divisors (24391427989).

165072265547 is a wasteful number, since it uses less digits than its factorization.

165072265547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101209477.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 165072265547 in words is "one hundred sixty-five billion, seventy-two million, two hundred sixty-five thousand, five hundred forty-seven".