165003448 has 32 divisors (see below), whose sum is σ = 326350800. Its totient is φ = 77995008.

The previous prime is 165003439. The next prime is 165003451. The reversal of 165003448 is 844300561.

It is a happy number.

It is a super-2 number, since 2×165003448² = 54452275703777408, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101490 + ... + 103102.

Almost surely, 2^165003448 is an apocalyptic number.

It is an amenable number.

165003448 is a deficient number, since it is larger than the sum of its proper divisors (161347352).

165003448 is a wasteful number, since it uses less digits than its factorization.

165003448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 165003448 is about 12845.3667911819. The cubic root of 165003448 is about 548.4844757445.

The spelling of 165003448 in words is "one hundred sixty-five million, three thousand, four hundred forty-eight".