1126644656 has 40 divisors (see below), whose sum is σ = 2280520704. Its totient is φ = 538562880.

The previous prime is 1126644647. The next prime is 1126644683. The reversal of 1126644656 is 6564466211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27485 + ... + 54851.

Almost surely, 2^1126644656 is an apocalyptic number.

1126644656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126644656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140260352).

1126644656 is an abundant number, since it is smaller than the sum of its proper divisors (1153876048).

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

1126644656 is a wasteful number, since it uses less digits than its factorization.

1126644656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27489 (or 27483 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 1126644656 is about 33565.5277926625. The cubic root of 1126644656 is about 1040.5484828756.

The spelling of 1126644656 in words is "one billion, one hundred twenty-six million, six hundred forty-four thousand, six hundred fifty-six".