162456009 has 4 divisors (see below), whose sum is σ = 216608016. Its totient is φ = 108304004.

The previous prime is 162456001. The next prime is 162456037. The reversal of 162456009 is 900654261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162456009 - 2³ = 162456001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162456001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27075999 + ... + 27076004.

It is an arithmetic number, because the mean of its divisors is an integer number (54152004).

Almost surely, 2^162456009 is an apocalyptic number.

It is an amenable number.

162456009 is a deficient number, since it is larger than the sum of its proper divisors (54152007).

162456009 is an equidigital number, since it uses as much as digits as its factorization.

162456009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54152006.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 162456009 is about 12745.8231982089. The cubic root of 162456009 is about 545.6471945588.

The spelling of 162456009 in words is "one hundred sixty-two million, four hundred fifty-six thousand, nine".