2256213166 has 16 divisors (see below), whose sum is σ = 3528599040. Its totient is φ = 1080626400.

The previous prime is 2256213163. The next prime is 2256213209. The reversal of 2256213166 is 6613126522.

2256213166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256213163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145785 + ... + 160516.

It is an arithmetic number, because the mean of its divisors is an integer number (220537440).

Almost surely, 2^2256213166 is an apocalyptic number.

2256213166 is a deficient number, since it is larger than the sum of its proper divisors (1272385874).

2256213166 is a wasteful number, since it uses less digits than its factorization.

2256213166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306459.

The product of its digits is 25920, while the sum is 34.

The square root of 2256213166 is about 47499.6122721018. The cubic root of 2256213166 is about 1311.5757442293.

Adding to 2256213166 its reverse (6613126522), we get a palindrome (8869339688).

The spelling of 2256213166 in words is "two billion, two hundred fifty-six million, two hundred thirteen thousand, one hundred sixty-six".