2216453000166 has 144 divisors (see below), whose sum is σ = 5066183701488. Its totient is φ = 726251961600.

The previous prime is 2216453000149. The next prime is 2216453000173. The reversal of 2216453000166 is 6610003546122.

2216453000166 is a `hidden beast` number, since 2 + 2 + 1 + 64 + 530 + 0 + 0 + 1 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216453000166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 696777096 + ... + 696780276.

Almost surely, 2^{2216453000166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216453000166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533091850744).

2216453000166 is an abundant number, since it is smaller than the sum of its proper divisors (2849730701322).

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

2216453000166 is an equidigital number, since it uses as much as digits as its factorization.

2216453000166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557 (or 3456 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 2216453000166 its reverse (6610003546122), we get a palindrome (8826456546288).

The spelling of 2216453000166 in words is "two trillion, two hundred sixteen billion, four hundred fifty-three million, one hundred sixty-six", and thus it is an aban number.