216085121792 has 18 divisors (see below), whose sum is σ = 431326161588. Its totient is φ = 108042560768.

The previous prime is 216085121779. The next prime is 216085121821. The reversal of 216085121792 is 297121580612.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 422040998 + ... + 422041509.

Almost surely, 2^216085121792 is an apocalyptic number.

It is an amenable number.

216085121792 is a deficient number, since it is larger than the sum of its proper divisors (215241039796).

216085121792 is an frugal number, since it uses more digits than its factorization.

216085121792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844082523 (or 844082509 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 216085121792 in words is "two hundred sixteen billion, eighty-five million, one hundred twenty-one thousand, seven hundred ninety-two".