165852480660 has 96 divisors (see below), whose sum is σ = 484775020800. Its totient is φ = 42287173632.

The previous prime is 165852480659. The next prime is 165852480667. The reversal of 165852480660 is 66084258561.

It is a super-3 number, since 3×165852480660³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165852480667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3555166 + ... + 3601514.

It is an arithmetic number, because the mean of its divisors is an integer number (5049739800).

Almost surely, 2^165852480660 is an apocalyptic number.

165852480660 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 165852480660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242387510400).

165852480660 is an abundant number, since it is smaller than the sum of its proper divisors (318922540140).

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

165852480660 is a wasteful number, since it uses less digits than its factorization.

165852480660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48977 (or 48975 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 165852480660 in words is "one hundred sixty-five billion, eight hundred fifty-two million, four hundred eighty thousand, six hundred sixty".