165066094080 has 320 divisors, whose sum is σ = 620822854080. Its totient is φ = 41428058112.

The previous prime is 165066094027. The next prime is 165066094093. The reversal of 165066094080 is 80490660561.

165066094080 is a `hidden beast` number, since 1 + 6 + 506 + 60 + 9 + 4 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×165066094080² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 31 ways as a sum of consecutive naturals, for example, 1104802 + ... + 1245278.

It is an arithmetic number, because the mean of its divisors is an integer number (1940071419).

Almost surely, 2^165066094080 is an apocalyptic number.

165066094080 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 165066094080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310411427040).

165066094080 is an abundant number, since it is smaller than the sum of its proper divisors (455756760000).

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

165066094080 is a wasteful number, since it uses less digits than its factorization.

165066094080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140526 (or 140504 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 165066094080 in words is "one hundred sixty-five billion, sixty-six million, ninety-four thousand, eighty".