1163221346 has 16 divisors (see below), whose sum is σ = 1998374976. Its totient is φ = 497453136.

The previous prime is 1163221331. The next prime is 1163221351. The reversal of 1163221346 is 6431223611.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82421 + ... + 95496.

It is an arithmetic number, because the mean of its divisors is an integer number (124898436).

Almost surely, 2^1163221346 is an apocalyptic number.

1163221346 is a deficient number, since it is larger than the sum of its proper divisors (835153630).

1163221346 is a wasteful number, since it uses less digits than its factorization.

1163221346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178393.

The product of its digits is 5184, while the sum is 29.

The square root of 1163221346 is about 34106.0309329596. The cubic root of 1163221346 is about 1051.6892976389.

Adding to 1163221346 its reverse (6431223611), we get a palindrome (7594444957).

The spelling of 1163221346 in words is "one billion, one hundred sixty-three million, two hundred twenty-one thousand, three hundred forty-six".