216423422652652 has 12 divisors (see below), whose sum is σ = 379049159699280. Its totient is φ = 108123662738576.

The previous prime is 216423422652571. The next prime is 216423422652691. The reversal of 216423422652652 is 256256224324612.

It is a self number, because there is not a number n which added to its sum of digits gives 216423422652652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22012141408 + ... + 22012151239.

It is an arithmetic number, because the mean of its divisors is an integer number (31587429974940).

Almost surely, 2^{216423422652652} is an apocalyptic number.

It is an amenable number.

216423422652652 is a deficient number, since it is larger than the sum of its proper divisors (162625737046628).

216423422652652 is a wasteful number, since it uses less digits than its factorization.

216423422652652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44024293880 (or 44024293878 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 52.

The spelling of 216423422652652 in words is "two hundred sixteen trillion, four hundred twenty-three billion, four hundred twenty-two million, six hundred fifty-two thousand, six hundred fifty-two".