216444839158 has 16 divisors (see below), whose sum is σ = 325053518400. Its totient is φ = 108093711616.

The previous prime is 216444839153. The next prime is 216444839159. The reversal of 216444839158 is 851938444612.

216444839158 is digitally balanced in base 2, 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 = 216444839099 and 216444839108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216444839153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15489891 + ... + 15503857.

It is an arithmetic number, because the mean of its divisors is an integer number (20315844900).

Almost surely, 2^216444839158 is an apocalyptic number.

216444839158 is a deficient number, since it is larger than the sum of its proper divisors (108608679242).

216444839158 is a wasteful number, since it uses less digits than its factorization.

216444839158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22631.

The product of its digits is 6635520, while the sum is 55.

The spelling of 216444839158 in words is "two hundred sixteen billion, four hundred forty-four million, eight hundred thirty-nine thousand, one hundred fifty-eight".