1163420344 has 16 divisors (see below), whose sum is σ = 2189466720. Its totient is φ = 579562560.

The previous prime is 1163420327. The next prime is 1163420353. The reversal of 1163420344 is 4430243611.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 266149 + ... + 270484.

It is an arithmetic number, because the mean of its divisors is an integer number (136841670).

Almost surely, 2^1163420344 is an apocalyptic number.

It is an amenable number.

1163420344 is a deficient number, since it is larger than the sum of its proper divisors (1026046376).

1163420344 is a wasteful number, since it uses less digits than its factorization.

1163420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536910 (or 536906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1163420344 is about 34108.9481514749. The cubic root of 1163420344 is about 1051.7492667738.

Adding to 1163420344 its reverse (4430243611), we get a palindrome (5593663955).

The spelling of 1163420344 in words is "one billion, one hundred sixty-three million, four hundred twenty thousand, three hundred forty-four".