162216738 has 24 divisors (see below), whose sum is σ = 362808576. Its totient is φ = 52327800.

The previous prime is 162216727. The next prime is 162216767. The reversal of 162216738 is 837612261.

162216738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144798 + ... + 145913.

It is an arithmetic number, because the mean of its divisors is an integer number (15117024).

Almost surely, 2^162216738 is an apocalyptic number.

162216738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

162216738 is an abundant number, since it is smaller than the sum of its proper divisors (200591838).

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

162216738 is a wasteful number, since it uses less digits than its factorization.

162216738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290750 (or 290747 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 162216738 is about 12736.4334882258. The cubic root of 162216738 is about 545.3791800569.

Adding to 162216738 its reverse (837612261), we get a palindrome (999828999).

The spelling of 162216738 in words is "one hundred sixty-two million, two hundred sixteen thousand, seven hundred thirty-eight".