165841130 has 32 divisors (see below), whose sum is σ = 367403904. Its totient is φ = 52485696.

The previous prime is 165841129. The next prime is 165841157. The reversal of 165841130 is 31148561.

It is a junction number, because it is equal to n+sod(n) for n = 165841093 and 165841102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90212 + ... + 92031.

It is an arithmetic number, because the mean of its divisors is an integer number (11481372).

Almost surely, 2^165841130 is an apocalyptic number.

165841130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165841130 is an abundant number, since it is smaller than the sum of its proper divisors (201562774).

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

165841130 is a wasteful number, since it uses less digits than its factorization.

165841130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182270.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 165841130 is about 12877.9318991832. The cubic root of 165841130 is about 549.4110831363.

Adding to 165841130 its reverse (31148561), we get a palindrome (196989691).

The spelling of 165841130 in words is "one hundred sixty-five million, eight hundred forty-one thousand, one hundred thirty".