1112636646 has 72 divisors (see below), whose sum is σ = 2665092456. Its totient is φ = 332680320.

The previous prime is 1112636617. The next prime is 1112636671. The reversal of 1112636646 is 6466362111.

It is a happy number.

1112636646 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 6 + 3 + 6 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1112636646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4989291 + ... + 4989513.

It is an arithmetic number, because the mean of its divisors is an integer number (37015173).

Almost surely, 2^1112636646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112636646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332546228).

1112636646 is an abundant number, since it is smaller than the sum of its proper divisors (1552455810).

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

1112636646 is a wasteful number, since it uses less digits than its factorization.

1112636646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 352 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1112636646 is about 33356.2085075627. The cubic root of 1112636646 is about 1036.2179710364.

Adding to 1112636646 its reverse (6466362111), we get a palindrome (7578998757).

The spelling of 1112636646 in words is "one billion, one hundred twelve million, six hundred thirty-six thousand, six hundred forty-six".