216732829306458 has 8 divisors (see below), whose sum is σ = 433465658612928. Its totient is φ = 72244276435484.

The previous prime is 216732829306447. The next prime is 216732829306463. The reversal of 216732829306458 is 854603928237612.

It is a sphenic number, since it is the product of 3 distinct primes.

216732829306458 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18061069108866 + ... + 18061069108877.

It is an arithmetic number, because the mean of its divisors is an integer number (54183207326616).

It is a 1-persistent number, because it is pandigital, but 2⋅216732829306458 = 433465658612916 is not.

Almost surely, 2^{216732829306458} is an apocalyptic number.

216732829306458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216732829306458 is a wasteful number, since it uses less digits than its factorization.

216732829306458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36122138217748.

The product of its (nonzero) digits is 209018880, while the sum is 66.

The spelling of 216732829306458 in words is "two hundred sixteen trillion, seven hundred thirty-two billion, eight hundred twenty-nine million, three hundred six thousand, four hundred fifty-eight".