165265004 has 6 divisors (see below), whose sum is σ = 289213764. Its totient is φ = 82632500.

The previous prime is 165265003. The next prime is 165265013. The reversal of 165265004 is 400562561.

It is not an unprimeable number, because it can be changed into a prime (165265003) 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, 20658122 + ... + 20658129.

It is an arithmetic number, because the mean of its divisors is an integer number (48202294).

Almost surely, 2^165265004 is an apocalyptic number.

It is an amenable number.

165265004 is a deficient number, since it is larger than the sum of its proper divisors (123948760).

165265004 is a wasteful number, since it uses less digits than its factorization.

165265004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41316255 (or 41316253 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 165265004 is about 12855.5437068994. The cubic root of 165265004 is about 548.7741336722.

The spelling of 165265004 in words is "one hundred sixty-five million, two hundred sixty-five thousand, four".