1113622666 has 16 divisors (see below), whose sum is σ = 1810393704. Its totient is φ = 510704064.

The previous prime is 1113622663. The next prime is 1113622669. The reversal of 1113622666 is 6662263111.

It is an interprime number because it is at equal distance from previous prime (1113622663) and next prime (1113622669).

It can be written as a sum of positive squares in 4 ways, for example, as 919605625 + 194017041 = 30325^2 + 13929^2 .

It is not an unprimeable number, because it can be changed into a prime (1113622663) 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, 132325 + ... + 140488.

Almost surely, 2^1113622666 is an apocalyptic number.

1113622666 is a deficient number, since it is larger than the sum of its proper divisors (696771038).

1113622666 is a wasteful number, since it uses less digits than its factorization.

1113622666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272985.

The product of its digits is 15552, while the sum is 34.

The square root of 1113622666 is about 33370.9853915044. The cubic root of 1113622666 is about 1036.5239798836.

Adding to 1113622666 its reverse (6662263111), we get a palindrome (7775885777).

The spelling of 1113622666 in words is "one billion, one hundred thirteen million, six hundred twenty-two thousand, six hundred sixty-six".