1166413328 has 20 divisors (see below), whose sum is σ = 2260494828. Its totient is φ = 583059840.

The previous prime is 1166413327. The next prime is 1166413361. The reversal of 1166413328 is 8233146611.

It can be written as a sum of positive squares in 2 ways, for example, as 916393984 + 250019344 = 30272^2 + 15812^2 .

It is not an unprimeable number, because it can be changed into a prime (1166413327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86738 + ... + 99278.

Almost surely, 2^1166413328 is an apocalyptic number.

It is an amenable number.

1166413328 is a deficient number, since it is larger than the sum of its proper divisors (1094081500).

1166413328 is a wasteful number, since it uses less digits than its factorization.

1166413328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18362 (or 18356 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1166413328 is about 34152.7938535049. The cubic root of 1166413328 is about 1052.6503951352.

Adding to 1166413328 its reverse (8233146611), we get a palindrome (9399559939).

The spelling of 1166413328 in words is "one billion, one hundred sixty-six million, four hundred thirteen thousand, three hundred twenty-eight".