1133655656 has 32 divisors (see below), whose sum is σ = 2456568000. Its totient is φ = 480391296.

The previous prime is 1133655643. The next prime is 1133655673. The reversal of 1133655656 is 6565563311.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 108746 + ... + 118713.

It is an arithmetic number, because the mean of its divisors is an integer number (76767750).

Almost surely, 2^1133655656 is an apocalyptic number.

It is an amenable number.

1133655656 is an abundant number, since it is smaller than the sum of its proper divisors (1322912344).

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

1133655656 is a wasteful number, since it uses less digits than its factorization.

1133655656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227561 (or 227557 counting only the distinct ones).

The product of its digits is 243000, while the sum is 41.

The square root of 1133655656 is about 33669.8033258289. The cubic root of 1133655656 is about 1042.7024317294.

It can be divided in two parts, 1133655 and 656, that added together give a palindrome (1134311).

The spelling of 1133655656 in words is "one billion, one hundred thirty-three million, six hundred fifty-five thousand, six hundred fifty-six".