165224158 has 8 divisors (see below), whose sum is σ = 270366840. Its totient is φ = 75101880.

The previous prime is 165224123. The next prime is 165224159. The reversal of 165224158 is 851422561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165224159) 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 in 3 ways as a sum of consecutive naturals, for example, 3755073 + ... + 3755116.

It is an arithmetic number, because the mean of its divisors is an integer number (33795855).

Almost surely, 2^165224158 is an apocalyptic number.

165224158 is a deficient number, since it is larger than the sum of its proper divisors (105142682).

165224158 is a wasteful number, since it uses less digits than its factorization.

165224158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7510202.

The product of its digits is 19200, while the sum is 34.

The square root of 165224158 is about 12853.9549555769. The cubic root of 165224158 is about 548.7289192698.

The spelling of 165224158 in words is "one hundred sixty-five million, two hundred twenty-four thousand, one hundred fifty-eight".