162213009 has 16 divisors (see below), whose sum is σ = 247817088. Its totient is φ = 92454912.

The previous prime is 162213001. The next prime is 162213011. The reversal of 162213009 is 900312261.

It is not a de Polignac number, because 162213009 - 2³ = 162213001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 162213009.

It is not an unprimeable number, because it can be changed into a prime (162213001) 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 15 ways as a sum of consecutive naturals, for example, 1392 + ... + 18065.

It is an arithmetic number, because the mean of its divisors is an integer number (15488568).

Almost surely, 2^162213009 is an apocalyptic number.

It is an amenable number.

162213009 is a deficient number, since it is larger than the sum of its proper divisors (85604079).

162213009 is a wasteful number, since it uses less digits than its factorization.

162213009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19864.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 162213009 is about 12736.2870963244. The cubic root of 162213009 is about 545.3750010091.

The spelling of 162213009 in words is "one hundred sixty-two million, two hundred thirteen thousand, nine".