216526144036 has 48 divisors (see below), whose sum is σ = 402187878400. Its totient is φ = 101711036448.

The previous prime is 216526144027. The next prime is 216526144049. The reversal of 216526144036 is 630441625612.

It is a self number, because there is not a number n which added to its sum of digits gives 216526144036.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30757405 + ... + 30764443.

Almost surely, 2^216526144036 is an apocalyptic number.

It is an amenable number.

216526144036 is a deficient number, since it is larger than the sum of its proper divisors (185661734364).

216526144036 is a wasteful number, since it uses less digits than its factorization.

216526144036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376 (or 10374 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 216526144036 its reverse (630441625612), we get a palindrome (846967769648).

The spelling of 216526144036 in words is "two hundred sixteen billion, five hundred twenty-six million, one hundred forty-four thousand, thirty-six".