216336711506 has 16 divisors (see below), whose sum is σ = 325299473280. Its totient is φ = 107903618640.

The previous prime is 216336711491. The next prime is 216336711529. The reversal of 216336711506 is 605117633612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11808005 + ... + 11826311.

It is an arithmetic number, because the mean of its divisors is an integer number (20331217080).

Almost surely, 2^216336711506 is an apocalyptic number.

216336711506 is a deficient number, since it is larger than the sum of its proper divisors (108962761774).

216336711506 is a wasteful number, since it uses less digits than its factorization.

216336711506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32449.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 216336711506 in words is "two hundred sixteen billion, three hundred thirty-six million, seven hundred eleven thousand, five hundred six".