1133606656 has 72 divisors (see below), whose sum is σ = 2785023584. Its totient is φ = 448450560.

The previous prime is 1133606653. The next prime is 1133606657. The reversal of 1133606656 is 6566063311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133606651) 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, 1035 + ... + 47626.

Almost surely, 2^1133606656 is an apocalyptic number.

1133606656 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 1133606656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392511792).

1133606656 is an abundant number, since it is smaller than the sum of its proper divisors (1651416928).

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

1133606656 is an equidigital number, since it uses as much as digits as its factorization.

1133606656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48697 (or 48683 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1133606656 is about 33669.0756629878. The cubic root of 1133606656 is about 1042.6874086034.

Adding to 1133606656 its reverse (6566063311), we get a palindrome (7699669967).

The spelling of 1133606656 in words is "one billion, one hundred thirty-three million, six hundred six thousand, six hundred fifty-six".