216113644200442 has 8 divisors (see below), whose sum is σ = 324248523251796. Its totient is φ = 108030803116512.

The previous prime is 216113644200439. The next prime is 216113644200469. The reversal of 216113644200442 is 244002446311612.

It can be written as a sum of positive squares in 2 ways, for example, as 172921684700961 + 43191959499481 = 13149969^2 + 6572059^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 216113644200395 and 216113644200404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13009481473 + ... + 13009498084.

Almost surely, 2^{216113644200442} is an apocalyptic number.

216113644200442 is a deficient number, since it is larger than the sum of its proper divisors (108134879051354).

216113644200442 is a wasteful number, since it uses less digits than its factorization.

216113644200442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26018983712.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 216113644200442 in words is "two hundred sixteen trillion, one hundred thirteen billion, six hundred forty-four million, two hundred thousand, four hundred forty-two".