2216496408 has 128 divisors (see below), whose sum is σ = 6567160320. Its totient is φ = 610237440.

The previous prime is 2216496391. The next prime is 2216496421. The reversal of 2216496408 is 8046946122.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2216496408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569766 + ... + 573642.

It is an arithmetic number, because the mean of its divisors is an integer number (51305940).

Almost surely, 2^2216496408 is an apocalyptic number.

2216496408 is a gapful number since it is divisible by the number (28) 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 2216496408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3283580160).

2216496408 is an abundant number, since it is smaller than the sum of its proper divisors (4350663912).

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

2216496408 is a wasteful number, since it uses less digits than its factorization.

2216496408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2216496408 is about 47079.6814772573. The cubic root of 2216496408 is about 1303.8341261529.

The spelling of 2216496408 in words is "two billion, two hundred sixteen million, four hundred ninety-six thousand, four hundred eight".