216106756126 has 4 divisors (see below), whose sum is σ = 324160134192. Its totient is φ = 108053378062.

The previous prime is 216106756121. The next prime is 216106756147. The reversal of 216106756126 is 621657601612.

216106756126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216106756121) 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 as a sum of consecutive naturals, namely, 54026689030 + ... + 54026689033.

It is an arithmetic number, because the mean of its divisors is an integer number (81040033548).

Almost surely, 2^216106756126 is an apocalyptic number.

216106756126 is a deficient number, since it is larger than the sum of its proper divisors (108053378066).

216106756126 is a wasteful number, since it uses less digits than its factorization.

216106756126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108053378065.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 216106756126 in words is "two hundred sixteen billion, one hundred six million, seven hundred fifty-six thousand, one hundred twenty-six".