165380484016 has 80 divisors (see below), whose sum is σ = 354982279680. Its totient is φ = 74011861760.

The previous prime is 165380483999. The next prime is 165380484029. The reversal of 165380484016 is 610484083561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260825 + ... + 4299463.

It is an arithmetic number, because the mean of its divisors is an integer number (4437278496).

Almost surely, 2^165380484016 is an apocalyptic number.

165380484016 is a gapful number since it is divisible by the number (16) 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 165380484016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177491139840).

165380484016 is an abundant number, since it is smaller than the sum of its proper divisors (189601795664).

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

165380484016 is a wasteful number, since it uses less digits than its factorization.

165380484016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39034 (or 39028 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 165380484016 in words is "one hundred sixty-five billion, three hundred eighty million, four hundred eighty-four thousand, sixteen".