216104704 has 36 divisors (see below), whose sum is σ = 433336176. Its totient is φ = 107558912.

The previous prime is 216104677. The next prime is 216104729. The reversal of 216104704 is 407401612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57837 + ... + 61459.

It is an arithmetic number, because the mean of its divisors is an integer number (12037116).

Almost surely, 2^216104704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216104704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216668088).

216104704 is an abundant number, since it is smaller than the sum of its proper divisors (217231472).

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

216104704 is an equidigital number, since it uses as much as digits as its factorization.

216104704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 216104704 is about 14700.5001275467. The cubic root of 216104704 is about 600.0969324875.

The spelling of 216104704 in words is "two hundred sixteen million, one hundred four thousand, seven hundred four".