165126275 has 12 divisors (see below), whose sum is σ = 209114592. Its totient is φ = 129289440.

The previous prime is 165126271. The next prime is 165126277. The reversal of 165126275 is 572621561.

It is not a de Polignac number, because 165126275 - 2² = 165126271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165126271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69092 + ... + 71441.

It is an arithmetic number, because the mean of its divisors is an integer number (17426216).

Almost surely, 2^165126275 is an apocalyptic number.

165126275 is a deficient number, since it is larger than the sum of its proper divisors (43988317).

165126275 is a wasteful number, since it uses less digits than its factorization.

165126275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140590 (or 140585 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 165126275 is about 12850.1468863200. The cubic root of 165126275 is about 548.6205375344.

The spelling of 165126275 in words is "one hundred sixty-five million, one hundred twenty-six thousand, two hundred seventy-five".