1163421166 has 16 divisors (see below), whose sum is σ = 1790540640. Its totient is φ = 566619520.

The previous prime is 1163421151. The next prime is 1163421173. The reversal of 1163421166 is 6611243611.

It is a congruent 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, 42090 + ... + 64018.

It is an arithmetic number, because the mean of its divisors is an integer number (111908790).

Almost surely, 2^1163421166 is an apocalyptic number.

1163421166 is a deficient number, since it is larger than the sum of its proper divisors (627119474).

1163421166 is a wasteful number, since it uses less digits than its factorization.

1163421166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22619.

The product of its digits is 5184, while the sum is 31.

The square root of 1163421166 is about 34108.9602010967. The cubic root of 1163421166 is about 1051.7495144739.

Adding to 1163421166 its reverse (6611243611), we get a palindrome (7774664777).

The spelling of 1163421166 in words is "one billion, one hundred sixty-three million, four hundred twenty-one thousand, one hundred sixty-six".