216427513543364 has 24 divisors (see below), whose sum is σ = 379826232917376. Its totient is φ = 107906168700000.

The previous prime is 216427513543363. The next prime is 216427513543399. The reversal of 216427513543364 is 463345315724612.

It is not an unprimeable number, because it can be changed into a prime (216427513543363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52512422 + ... + 56483709.

It is an arithmetic number, because the mean of its divisors is an integer number (15826093038224).

Almost surely, 2^{216427513543364} is an apocalyptic number.

It is an amenable number.

216427513543364 is a deficient number, since it is larger than the sum of its proper divisors (163398719374012).

216427513543364 is a wasteful number, since it uses less digits than its factorization.

216427513543364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108997547 (or 108997545 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 56.

The spelling of 216427513543364 in words is "two hundred sixteen trillion, four hundred twenty-seven billion, five hundred thirteen million, five hundred forty-three thousand, three hundred sixty-four".