165375255 has 32 divisors (see below), whose sum is σ = 276456960. Its totient is φ = 84309120.

The previous prime is 165375227. The next prime is 165375293. The reversal of 165375255 is 552573561.

It is not a de Polignac number, because 165375255 - 2⁶ = 165375191 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 42960 + ... + 46650.

It is an arithmetic number, because the mean of its divisors is an integer number (8639280).

Almost surely, 2^165375255 is an apocalyptic number.

165375255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165375255 is a deficient number, since it is larger than the sum of its proper divisors (111081705).

165375255 is a wasteful number, since it uses less digits than its factorization.

165375255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831.

The product of its digits is 157500, while the sum is 39.

The square root of 165375255 is about 12859.8310642092. The cubic root of 165375255 is about 548.8961386266.

The spelling of 165375255 in words is "one hundred sixty-five million, three hundred seventy-five thousand, two hundred fifty-five".