1163521366 has 12 divisors (see below), whose sum is σ = 2030226228. Its totient is φ = 498651972.

The previous prime is 1163521339. The next prime is 1163521367. The reversal of 1163521366 is 6631253611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163521367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5936236 + ... + 5936431.

It is an arithmetic number, because the mean of its divisors is an integer number (169185519).

Almost surely, 2^1163521366 is an apocalyptic number.

1163521366 is a deficient number, since it is larger than the sum of its proper divisors (866704862).

1163521366 is a wasteful number, since it uses less digits than its factorization.

1163521366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872683 (or 11872676 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 1163521366 is about 34110.4289917321. The cubic root of 1163521366 is about 1051.7797076888.

Adding to 1163521366 its reverse (6631253611), we get a palindrome (7794774977).

The spelling of 1163521366 in words is "one billion, one hundred sixty-three million, five hundred twenty-one thousand, three hundred sixty-six".