165265552 has 20 divisors (see below), whose sum is σ = 320402236. Its totient is φ = 82581120.

The previous prime is 165265543. The next prime is 165265559. The reversal of 165265552 is 255562561.

It can be written as a sum of positive squares in 2 ways, for example, as 133726096 + 31539456 = 11564^2 + 5616^2 .

It is not an unprimeable number, because it can be changed into a prime (165265559) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44902 + ... + 48442.

Almost surely, 2^165265552 is an apocalyptic number.

It is an amenable number.

165265552 is a deficient number, since it is larger than the sum of its proper divisors (155136684).

165265552 is a wasteful number, since it uses less digits than its factorization.

165265552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466 (or 6460 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 165265552 is about 12855.5650206438. The cubic root of 165265552 is about 548.7747402291.

The spelling of 165265552 in words is "one hundred sixty-five million, two hundred sixty-five thousand, five hundred fifty-two".