216066452323 has 2 divisors, whose sum is σ = 216066452324. Its totient is φ = 216066452322.

The previous prime is 216066452263. The next prime is 216066452429. The reversal of 216066452323 is 323254660612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216066452323 is a prime.

It is not a weakly prime, because it can be changed into another prime (216066462323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108033226161 + 108033226162.

It is an arithmetic number, because the mean of its divisors is an integer number (108033226162).

Almost surely, 2^216066452323 is an apocalyptic number.

216066452323 is a deficient number, since it is larger than the sum of its proper divisors (1).

216066452323 is an equidigital number, since it uses as much as digits as its factorization.

216066452323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 216066452323 in words is "two hundred sixteen billion, sixty-six million, four hundred fifty-two thousand, three hundred twenty-three".