216108000 has 480 divisors, whose sum is σ = 856215360. Its totient is φ = 53222400.

The previous prime is 216107999. The next prime is 216108059. The reversal of 216108000 is 801612.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 79 ways as a sum of consecutive naturals, for example, 7451986 + ... + 7452014.

It is an arithmetic number, because the mean of its divisors is an integer number (1783782).

Almost surely, 2^216108000 is an apocalyptic number.

216108000 is a gapful number since it is divisible by the number (20) 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 216108000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428107680).

216108000 is an abundant number, since it is smaller than the sum of its proper divisors (640107360).

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

216108000 is a wasteful number, since it uses less digits than its factorization.

216108000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 216108000 is about 14700.6122321487. The cubic root of 216108000 is about 600.0999833380.

Adding to 216108000 its reverse (801612), we get a palindrome (216909612).

The spelling of 216108000 in words is "two hundred sixteen million, one hundred eight thousand".