1163961183 has 16 divisors (see below), whose sum is σ = 1934896896. Its totient is φ = 604655040.

The previous prime is 1163961181. The next prime is 1163961193. The reversal of 1163961183 is 3811693611.

It is a happy number.

It is not a de Polignac number, because 1163961183 - 2¹ = 1163961181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163961181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519166 + ... + 2519627.

It is an arithmetic number, because the mean of its divisors is an integer number (120931056).

Almost surely, 2^1163961183 is an apocalyptic number.

1163961183 is a deficient number, since it is larger than the sum of its proper divisors (770935713).

1163961183 is a wasteful number, since it uses less digits than its factorization.

1163961183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038814.

The product of its digits is 23328, while the sum is 39.

The square root of 1163961183 is about 34116.8753405115. The cubic root of 1163961183 is about 1051.9122170219.

The spelling of 1163961183 in words is "one billion, one hundred sixty-three million, nine hundred sixty-one thousand, one hundred eighty-three".