216707441917180 has 12 divisors (see below), whose sum is σ = 455085628026120. Its totient is φ = 86682976766864.

The previous prime is 216707441917163. The next prime is 216707441917181. The reversal of 216707441917180 is 81719144707612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216707441917181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417686047910 + ... + 5417686047949.

It is an arithmetic number, because the mean of its divisors is an integer number (37923802335510).

Almost surely, 2^{216707441917180} is an apocalyptic number.

216707441917180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216707441917180 is an abundant number, since it is smaller than the sum of its proper divisors (238378186108940).

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

216707441917180 is a wasteful number, since it uses less digits than its factorization.

216707441917180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835372095868 (or 10835372095866 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 58.

The spelling of 216707441917180 in words is "two hundred sixteen trillion, seven hundred seven billion, four hundred forty-one million, nine hundred seventeen thousand, one hundred eighty".