216233440162 has 8 divisors (see below), whose sum is σ = 324355912236. Its totient is φ = 108114802752.

The previous prime is 216233440141. The next prime is 216233440169. The reversal of 216233440162 is 261044332612.

It can be written as a sum of positive squares in 2 ways, for example, as 207344533201 + 8888906961 = 455351^2 + 94281^2 .

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 (216233440169) 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, 813283 + ... + 1045894.

Almost surely, 2^216233440162 is an apocalyptic number.

216233440162 is a deficient number, since it is larger than the sum of its proper divisors (108122472074).

216233440162 is a wasteful number, since it uses less digits than its factorization.

216233440162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917332.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 216233440162 its reverse (261044332612), we get a palindrome (477277772774).

The spelling of 216233440162 in words is "two hundred sixteen billion, two hundred thirty-three million, four hundred forty thousand, one hundred sixty-two".