216120589847184 has 160 divisors (see below), whose sum is σ = 614726153293824. Its totient is φ = 64883096893440.

The previous prime is 216120589847179. The next prime is 216120589847191. The reversal of 216120589847184 is 481748985021612.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135659637 + ... + 137243499.

Almost surely, 2^{216120589847184} is an apocalyptic number.

216120589847184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216120589847184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307363076646912).

216120589847184 is an abundant number, since it is smaller than the sum of its proper divisors (398605563446640).

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

216120589847184 is a wasteful number, since it uses less digits than its factorization.

216120589847184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586285 (or 1586279 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 66.

The spelling of 216120589847184 in words is "two hundred sixteen trillion, one hundred twenty billion, five hundred eighty-nine million, eight hundred forty-seven thousand, one hundred eighty-four".