216346381630336 has 16 divisors (see below), whose sum is σ = 431002557154440. Its totient is φ = 108173190815104.

The previous prime is 216346381630289. The next prime is 216346381630367. The reversal of 216346381630336 is 633036183643612.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845103053116 + ... + 845103053371.

Almost surely, 2^{216346381630336} is an apocalyptic number.

It is an amenable number.

216346381630336 is a deficient number, since it is larger than the sum of its proper divisors (214656175524104).

216346381630336 is an equidigital number, since it uses as much as digits as its factorization.

216346381630336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690206106501 (or 1690206106489 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 55.

The spelling of 216346381630336 in words is "two hundred sixteen trillion, three hundred forty-six billion, three hundred eighty-one million, six hundred thirty thousand, three hundred thirty-six".