165560460 has 192 divisors, whose sum is σ = 531062784. Its totient is φ = 38246400.

The previous prime is 165560453. The next prime is 165560489. The reversal of 165560460 is 64065561.

165560460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 991297 + ... + 991463.

It is an arithmetic number, because the mean of its divisors is an integer number (2765952).

Almost surely, 2^165560460 is an apocalyptic number.

165560460 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 165560460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265531392).

165560460 is an abundant number, since it is smaller than the sum of its proper divisors (365502324).

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

165560460 is a wasteful number, since it uses less digits than its factorization.

165560460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 165560460 is about 12867.0299603288. The cubic root of 165560460 is about 549.1009664965.

The spelling of 165560460 in words is "one hundred sixty-five million, five hundred sixty thousand, four hundred sixty".