216883110 has 64 divisors (see below), whose sum is σ = 553900032. Its totient is φ = 54160896.

The previous prime is 216883103. The next prime is 216883111. The reversal of 216883110 is 11388612.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216883111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112777 + ... + 114683.

It is an arithmetic number, because the mean of its divisors is an integer number (8654688).

Almost surely, 2^216883110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216883110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276950016).

216883110 is an abundant number, since it is smaller than the sum of its proper divisors (337016922).

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

216883110 is a wasteful number, since it uses less digits than its factorization.

216883110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 216883110 is about 14726.9518231031. The cubic root of 216883110 is about 600.8165825951.

The spelling of 216883110 in words is "two hundred sixteen million, eight hundred eighty-three thousand, one hundred ten".