1133587660 has 48 divisors (see below), whose sum is σ = 2512036800. Its totient is φ = 428831744.

The previous prime is 1133587643. The next prime is 1133587661. The reversal of 1133587660 is 667853311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1133587661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27096 + ... + 54784.

It is an arithmetic number, because the mean of its divisors is an integer number (52334100).

Almost surely, 2^1133587660 is an apocalyptic number.

1133587660 is a gapful number since it is divisible by the number (10) 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 1133587660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256018400).

1133587660 is an abundant number, since it is smaller than the sum of its proper divisors (1378449140).

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

1133587660 is a wasteful number, since it uses less digits than its factorization.

1133587660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27810 (or 27808 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1133587660 is about 33668.7935631795. The cubic root of 1133587660 is about 1042.6815844196.

The spelling of 1133587660 in words is "one billion, one hundred thirty-three million, five hundred eighty-seven thousand, six hundred sixty".