2268620164 has 12 divisors (see below), whose sum is σ = 3971534364. Its totient is φ = 1133896064.

The previous prime is 2268620129. The next prime is 2268620171. The reversal of 2268620164 is 4610268622.

It can be written as a sum of positive squares in 2 ways, for example, as 840536064 + 1428084100 = 28992^2 + 37790^2 .

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 3 ways as a sum of consecutive naturals, for example, 91009 + ... + 113224.

It is an arithmetic number, because the mean of its divisors is an integer number (330961197).

Almost surely, 2^2268620164 is an apocalyptic number.

It is an amenable number.

2268620164 is a deficient number, since it is larger than the sum of its proper divisors (1702914200).

2268620164 is a wasteful number, since it uses less digits than its factorization.

2268620164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207014 (or 207012 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2268620164 is about 47630.0342641069. The cubic root of 2268620164 is about 1313.9754850258.

Adding to 2268620164 its reverse (4610268622), we get a palindrome (6878888786).

The spelling of 2268620164 in words is "two billion, two hundred sixty-eight million, six hundred twenty thousand, one hundred sixty-four".