165486238 has 16 divisors (see below), whose sum is σ = 270306000. Its totient is φ = 75684672.

The previous prime is 165486227. The next prime is 165486263. The reversal of 165486238 is 832684561.

It is a junction number, because it is equal to n+sod(n) for n = 165486194 and 165486203.

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 7 ways as a sum of consecutive naturals, for example, 73983 + ... + 76186.

It is an arithmetic number, because the mean of its divisors is an integer number (16894125).

Almost surely, 2^165486238 is an apocalyptic number.

165486238 is a deficient number, since it is larger than the sum of its proper divisors (104819762).

165486238 is a wasteful number, since it uses less digits than its factorization.

165486238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150219.

The product of its digits is 276480, while the sum is 43.

The square root of 165486238 is about 12864.1454438295. The cubic root of 165486238 is about 549.0188988664.

The spelling of 165486238 in words is "one hundred sixty-five million, four hundred eighty-six thousand, two hundred thirty-eight".