2116242426 has 16 divisors (see below), whose sum is σ = 4234928544. Its totient is φ = 705006864.

The previous prime is 2116242383. The next prime is 2116242431. The reversal of 2116242426 is 6242426112.

It is a junction number, because it is equal to n+sod(n) for n = 2116242393 and 2116242402.

It is an unprimeable number.

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, 90465 + ... + 111428.

It is an arithmetic number, because the mean of its divisors is an integer number (264683034).

Almost surely, 2^2116242426 is an apocalyptic number.

2116242426 is an abundant number, since it is smaller than the sum of its proper divisors (2118686118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116242426 is a wasteful number, since it uses less digits than its factorization.

2116242426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203645.

The product of its digits is 9216, while the sum is 30.

The square root of 2116242426 is about 46002.6349897481. The cubic root of 2116242426 is about 1283.8722311019.

Adding to 2116242426 its reverse (6242426112), we get a palindrome (8358668538).

The spelling of 2116242426 in words is "two billion, one hundred sixteen million, two hundred forty-two thousand, four hundred twenty-six".