165144922 has 16 divisors (see below), whose sum is σ = 272093760. Its totient is φ = 74824992.

The previous prime is 165144911. The next prime is 165144989. The reversal of 165144922 is 229441561.

165144922 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 93603 + ... + 95350.

It is an arithmetic number, because the mean of its divisors is an integer number (17005860).

Almost surely, 2^165144922 is an apocalyptic number.

165144922 is a deficient number, since it is larger than the sum of its proper divisors (106948838).

165144922 is a wasteful number, since it uses less digits than its factorization.

165144922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188997.

The product of its digits is 17280, while the sum is 34.

The square root of 165144922 is about 12850.8724217463. The cubic root of 165144922 is about 548.6411878763.

The spelling of 165144922 in words is "one hundred sixty-five million, one hundred forty-four thousand, nine hundred twenty-two".