236166213242 has 16 divisors (see below), whose sum is σ = 354641594112. Its totient is φ = 117952393680.

The previous prime is 236166213187. The next prime is 236166213277. The reversal of 236166213242 is 242312661632.

236166213242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 236166213196 and 236166213205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17369867 + ... + 17383457.

It is an arithmetic number, because the mean of its divisors is an integer number (22165099632).

Almost surely, 2^236166213242 is an apocalyptic number.

236166213242 is a deficient number, since it is larger than the sum of its proper divisors (118475380870).

236166213242 is a wasteful number, since it uses less digits than its factorization.

236166213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22573.

The product of its digits is 124416, while the sum is 38.

Adding to 236166213242 its reverse (242312661632), we get a palindrome (478478874874).

The spelling of 236166213242 in words is "two hundred thirty-six billion, one hundred sixty-six million, two hundred thirteen thousand, two hundred forty-two".