1166143354 has 12 divisors (see below), whose sum is σ = 1846125594. Its totient is φ = 552383352.

The previous prime is 1166143343. The next prime is 1166143369. The reversal of 1166143354 is 4533416611.

It can be written as a sum of positive squares in only one way, i.e., 828576225 + 337567129 = 28785^2 + 18373^2 .

It is an unprimeable number.

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, 806857 + ... + 808300.

Almost surely, 2^1166143354 is an apocalyptic number.

1166143354 is a deficient number, since it is larger than the sum of its proper divisors (679982240).

1166143354 is a wasteful number, since it uses less digits than its factorization.

1166143354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615197 (or 1615178 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 1166143354 is about 34148.8411809244. The cubic root of 1166143354 is about 1052.5691745937.

Adding to 1166143354 its reverse (4533416611), we get a palindrome (5699559965).

The spelling of 1166143354 in words is "one billion, one hundred sixty-six million, one hundred forty-three thousand, three hundred fifty-four".