165240308 has 6 divisors (see below), whose sum is σ = 289170546. Its totient is φ = 82620152.

The previous prime is 165240307. The next prime is 165240311. The reversal of 165240308 is 803042561.

165240308 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 161086864 + 4153444 = 12692^2 + 2038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165240307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20655035 + ... + 20655042.

It is an arithmetic number, because the mean of its divisors is an integer number (48195091).

Almost surely, 2^165240308 is an apocalyptic number.

It is an amenable number.

165240308 is a deficient number, since it is larger than the sum of its proper divisors (123930238).

165240308 is a wasteful number, since it uses less digits than its factorization.

165240308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41310081 (or 41310079 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 165240308 is about 12854.5831515456. The cubic root of 165240308 is about 548.7467973724.

Adding to 165240308 its reverse (803042561), we get a palindrome (968282869).

The spelling of 165240308 in words is "one hundred sixty-five million, two hundred forty thousand, three hundred eight".