165041330 has 32 divisors (see below), whose sum is σ = 310760064. Its totient is φ = 62989696.

The previous prime is 165041323. The next prime is 165041347. The reversal of 165041330 is 33140561.

It is a happy number.

165041330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 165041296 and 165041305.

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, 141329 + ... + 142491.

It is an arithmetic number, because the mean of its divisors is an integer number (9711252).

Almost surely, 2^165041330 is an apocalyptic number.

165041330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165041330 is a deficient number, since it is larger than the sum of its proper divisors (145718734).

165041330 is a wasteful number, since it uses less digits than its factorization.

165041330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 165041330 is about 12846.8412460028. The cubic root of 165041330 is about 548.5264467847.

Adding to 165041330 its reverse (33140561), we get a palindrome (198181891).

The spelling of 165041330 in words is "one hundred sixty-five million, forty-one thousand, three hundred thirty".