216426746416122 has 48 divisors (see below), whose sum is σ = 515459121297120. Its totient is φ = 65083222370400.

The previous prime is 216426746416051. The next prime is 216426746416123. The reversal of 216426746416122 is 221614647624612.

216426746416122 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 2 + 67 + 46 + 416 + 122 = 666.

It is not an unprimeable number, because it can be changed into a prime (216426746416123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4171975497 + ... + 4172027372.

It is an arithmetic number, because the mean of its divisors is an integer number (10738731693690).

Almost surely, 2^{216426746416122} is an apocalyptic number.

216426746416122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

216426746416122 is an abundant number, since it is smaller than the sum of its proper divisors (299032374880998).

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

216426746416122 is a wasteful number, since it uses less digits than its factorization.

216426746416122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344003019 (or 8344003016 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 216426746416122 in words is "two hundred sixteen trillion, four hundred twenty-six billion, seven hundred forty-six million, four hundred sixteen thousand, one hundred twenty-two".