216200666022453 has 24 divisors (see below), whose sum is σ = 360367761406848. Its totient is φ = 122343788813472.

The previous prime is 216200666022371. The next prime is 216200666022457. The reversal of 216200666022453 is 354220666002612.

It is not a de Polignac number, because 216200666022453 - 2⁹ = 216200666021941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216200666022399 and 216200666022408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216200666022457) 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 23 ways as a sum of consecutive naturals, for example, 16659006150 + ... + 16659019127.

It is an arithmetic number, because the mean of its divisors is an integer number (15015323391952).

Almost surely, 2^{216200666022453} is an apocalyptic number.

It is an amenable number.

216200666022453 is a deficient number, since it is larger than the sum of its proper divisors (144167095384395).

216200666022453 is a wasteful number, since it uses less digits than its factorization.

216200666022453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33318025393 (or 33318025390 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 216200666022453 in words is "two hundred sixteen trillion, two hundred billion, six hundred sixty-six million, twenty-two thousand, four hundred fifty-three".