216354341856708 has 36 divisors (see below), whose sum is σ = 596613488151408. Its totient is φ = 65561921774640.

The previous prime is 216354341856691. The next prime is 216354341856769. The reversal of 216354341856708 is 807658143453612.

216354341856708 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 54 + 3 + 4 + 18 + 567 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 273174673666 + ... + 273174674457.

Almost surely, 2^{216354341856708} is an apocalyptic number.

It is an amenable number.

216354341856708 is an abundant number, since it is smaller than the sum of its proper divisors (380259146294700).

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

216354341856708 is a wasteful number, since it uses less digits than its factorization.

216354341856708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546349348144 (or 546349348139 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 216354341856708 in words is "two hundred sixteen trillion, three hundred fifty-four billion, three hundred forty-one million, eight hundred fifty-six thousand, seven hundred eight".