162165144 has 16 divisors (see below), whose sum is σ = 405412920. Its totient is φ = 54055040.

The previous prime is 162165139. The next prime is 162165163. The reversal of 162165144 is 441561261.

162165144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3378417 + ... + 3378464.

Almost surely, 2^162165144 is an apocalyptic number.

It is an amenable number.

162165144 is an abundant number, since it is smaller than the sum of its proper divisors (243247776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162165144 is a wasteful number, since it uses less digits than its factorization.

162165144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756890 (or 6756886 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 162165144 is about 12734.4078778717. The cubic root of 162165144 is about 545.3213535600.

The spelling of 162165144 in words is "one hundred sixty-two million, one hundred sixty-five thousand, one hundred forty-four".