1166435912 has 16 divisors (see below), whose sum is σ = 2262483900. Its totient is φ = 563106880.

The previous prime is 1166435911. The next prime is 1166435969. The reversal of 1166435912 is 2195346611.

It can be written as a sum of positive squares in 2 ways, for example, as 1103169796 + 63266116 = 33214^2 + 7954^2 .

It is not an unprimeable number, because it can be changed into a prime (1166435911) 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, 2513639 + ... + 2514102.

Almost surely, 2^1166435912 is an apocalyptic number.

It is an amenable number.

1166435912 is a deficient number, since it is larger than the sum of its proper divisors (1096047988).

1166435912 is a wasteful number, since it uses less digits than its factorization.

1166435912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027776 (or 5027772 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 1166435912 is about 34153.1244837131. The cubic root of 1166435912 is about 1052.6571888685.

The spelling of 1166435912 in words is "one billion, one hundred sixty-six million, four hundred thirty-five thousand, nine hundred twelve".