165533710760 has 64 divisors (see below), whose sum is σ = 406729512000. Its totient is φ = 60131929600.

The previous prime is 165533710723. The next prime is 165533710763. The reversal of 165533710760 is 67017335561.

165533710760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (165533710763) 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 15 ways as a sum of consecutive naturals, for example, 233516 + ... + 620964.

It is an arithmetic number, because the mean of its divisors is an integer number (6355148625).

Almost surely, 2^165533710760 is an apocalyptic number.

165533710760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165533710760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203364756000).

165533710760 is an abundant number, since it is smaller than the sum of its proper divisors (241195801240).

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

165533710760 is a wasteful number, since it uses less digits than its factorization.

165533710760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388442 (or 388438 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 165533710760 in words is "one hundred sixty-five billion, five hundred thirty-three million, seven hundred ten thousand, seven hundred sixty".