162644242 has 8 divisors (see below), whose sum is σ = 247607856. Its totient is φ = 80108292.

The previous prime is 162644213. The next prime is 162644243. The reversal of 162644242 is 242446261.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (162644243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606748 + ... + 607015.

It is an arithmetic number, because the mean of its divisors is an integer number (30950982).

Almost surely, 2^162644242 is an apocalyptic number.

162644242 is a deficient number, since it is larger than the sum of its proper divisors (84963614).

162644242 is a wasteful number, since it uses less digits than its factorization.

162644242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213832.

The product of its digits is 18432, while the sum is 31.

The square root of 162644242 is about 12753.2051657613. The cubic root of 162644242 is about 545.8578550036.

The spelling of 162644242 in words is "one hundred sixty-two million, six hundred forty-four thousand, two hundred forty-two".