1133664385 has 16 divisors (see below), whose sum is σ = 1558224000. Its totient is φ = 775627776.

The previous prime is 1133664383. The next prime is 1133664407. The reversal of 1133664385 is 5834663311.

It is not a de Polignac number, because 1133664385 - 2¹ = 1133664383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133664383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20355 + ... + 51784.

It is an arithmetic number, because the mean of its divisors is an integer number (97389000).

Almost surely, 2^1133664385 is an apocalyptic number.

It is an amenable number.

1133664385 is a deficient number, since it is larger than the sum of its proper divisors (424559615).

1133664385 is an equidigital number, since it uses as much as digits as its factorization.

1133664385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72600.

The product of its digits is 155520, while the sum is 40.

The square root of 1133664385 is about 33669.9329521162. The cubic root of 1133664385 is about 1042.7051079466.

The spelling of 1133664385 in words is "one billion, one hundred thirty-three million, six hundred sixty-four thousand, three hundred eighty-five".