216969710018 has 32 divisors (see below), whose sum is σ = 344075212800. Its totient is φ = 102328126416.

The previous prime is 216969710011. The next prime is 216969710021. The reversal of 216969710018 is 810017969612.

It is not an unprimeable number, because it can be changed into a prime (216969710011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22411703 + ... + 22421381.

It is an arithmetic number, because the mean of its divisors is an integer number (10752350400).

Almost surely, 2^216969710018 is an apocalyptic number.

216969710018 is a deficient number, since it is larger than the sum of its proper divisors (127105502782).

216969710018 is a wasteful number, since it uses less digits than its factorization.

216969710018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 216969710018 in words is "two hundred sixteen billion, nine hundred sixty-nine million, seven hundred ten thousand, eighteen".