1163983442 has 8 divisors (see below), whose sum is σ = 1747399500. Its totient is φ = 581516944.

The previous prime is 1163983441. The next prime is 1163983493. The reversal of 1163983442 is 2443893611.

It can be written as a sum of positive squares in 2 ways, for example, as 898260841 + 265722601 = 29971^2 + 16301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1163983442.

It is not an unprimeable number, because it can be changed into a prime (1163983441) 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, 234317 + ... + 239232.

Almost surely, 2^1163983442 is an apocalyptic number.

1163983442 is a deficient number, since it is larger than the sum of its proper divisors (583416058).

1163983442 is a wasteful number, since it uses less digits than its factorization.

1163983442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474780.

The product of its digits is 124416, while the sum is 41.

The square root of 1163983442 is about 34117.2015558135. The cubic root of 1163983442 is about 1051.9189223901.

The spelling of 1163983442 in words is "one billion, one hundred sixty-three million, nine hundred eighty-three thousand, four hundred forty-two".