1133682161 has 4 divisors (see below), whose sum is σ = 1133820324. Its totient is φ = 1133544000.

The previous prime is 1133682131. The next prime is 1133682163. The reversal of 1133682161 is 1612863311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126000625 + 1007681536 = 11225^2 + 31744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133682161 - 2¹⁴ = 1133665777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133682163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55940 + ... + 73461.

It is an arithmetic number, because the mean of its divisors is an integer number (283455081).

Almost surely, 2^1133682161 is an apocalyptic number.

It is an amenable number.

1133682161 is a deficient number, since it is larger than the sum of its proper divisors (138163).

1133682161 is an equidigital number, since it uses as much as digits as its factorization.

1133682161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138162.

The product of its digits is 5184, while the sum is 32.

The square root of 1133682161 is about 33670.1969254710. The cubic root of 1133682161 is about 1042.7105578338.

The spelling of 1133682161 in words is "one billion, one hundred thirty-three million, six hundred eighty-two thousand, one hundred sixty-one".