1166035636 has 12 divisors (see below), whose sum is σ = 2063490660. Its totient is φ = 576466880.

The previous prime is 1166035631. The next prime is 1166035657. The reversal of 1166035636 is 6365306611.

It can be written as a sum of positive squares in 2 ways, for example, as 113422500 + 1052613136 = 10650^2 + 32444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1166035595 and 1166035604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166035631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637335 + ... + 1638046.

It is an arithmetic number, because the mean of its divisors is an integer number (171957555).

Almost surely, 2^1166035636 is an apocalyptic number.

It is an amenable number.

1166035636 is a deficient number, since it is larger than the sum of its proper divisors (897455024).

1166035636 is a wasteful number, since it uses less digits than its factorization.

1166035636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275474 (or 3275472 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1166035636 is about 34147.2639606748. The cubic root of 1166035636 is about 1052.5367645882.

The spelling of 1166035636 in words is "one billion, one hundred sixty-six million, thirty-five thousand, six hundred thirty-six".