216542183103552 has 56 divisors (see below), whose sum is σ = 572970816496512. Its totient is φ = 72176155686400.

The previous prime is 216542183103551. The next prime is 216542183103559. The reversal of 216542183103552 is 255301381245612.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (216542183103551) 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, 32679099 + ... + 38742842.

It is an arithmetic number, because the mean of its divisors is an integer number (10231621723152).

Almost surely, 2^{216542183103552} is an apocalyptic number.

It is an amenable number.

216542183103552 is an abundant number, since it is smaller than the sum of its proper divisors (356428633392960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216542183103552 is a wasteful number, since it uses less digits than its factorization.

216542183103552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71437747 (or 71437737 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 216542183103552 in words is "two hundred sixteen trillion, five hundred forty-two billion, one hundred eighty-three million, one hundred three thousand, five hundred fifty-two".