216453352271 has 32 divisors (see below), whose sum is σ = 247477077120. Its totient is φ = 187906521600.

The previous prime is 216453352223. The next prime is 216453352277. The reversal of 216453352271 is 172253354612.

It is a cyclic number.

It is not a de Polignac number, because 216453352271 - 2⁶ = 216453352207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216453352277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2323001 + ... + 2414381.

It is an arithmetic number, because the mean of its divisors is an integer number (7733658660).

Almost surely, 2^216453352271 is an apocalyptic number.

216453352271 is a deficient number, since it is larger than the sum of its proper divisors (31023724849).

216453352271 is a wasteful number, since it uses less digits than its factorization.

216453352271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91587.

The product of its digits is 302400, while the sum is 41.

The spelling of 216453352271 in words is "two hundred sixteen billion, four hundred fifty-three million, three hundred fifty-two thousand, two hundred seventy-one".