165003344 has 30 divisors (see below), whose sum is σ = 351403290. Its totient is φ = 75000640.

The previous prime is 165003337. The next prime is 165003407. The reversal of 165003344 is 443300561.

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 18593344 = 12100^2 + 4312^2 .

It is a super-2 number, since 2×165003344² = 54452207062364672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40679 + ... + 44550.

It is an arithmetic number, because the mean of its divisors is an integer number (11713443).

Almost surely, 2^165003344 is an apocalyptic number.

It is an amenable number.

165003344 is an abundant number, since it is smaller than the sum of its proper divisors (186399946).

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

165003344 is a wasteful number, since it uses less digits than its factorization.

165003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85259 (or 85242 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 165003344 is about 12845.3627430291. The cubic root of 165003344 is about 548.4843605098.

The spelling of 165003344 in words is "one hundred sixty-five million, three thousand, three hundred forty-four".