165449050 has 24 divisors (see below), whose sum is σ = 331408476. Its totient is φ = 61088640.

The previous prime is 165449047. The next prime is 165449087. The reversal of 165449050 is 50944561.

It can be written as a sum of positive squares in 6 ways, for example, as 54125449 + 111323601 = 7357^2 + 10551^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165448997 and 165449015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126619 + ... + 127918.

Almost surely, 2^165449050 is an apocalyptic number.

165449050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165449050 is an abundant number, since it is smaller than the sum of its proper divisors (165959426).

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

165449050 is a wasteful number, since it uses less digits than its factorization.

165449050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254562 (or 254557 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 165449050 is about 12862.6999498550. The cubic root of 165449050 is about 548.9777706844.

The spelling of 165449050 in words is "one hundred sixty-five million, four hundred forty-nine thousand, fifty".