1163485773 has 12 divisors (see below), whose sum is σ = 1681029948. Its totient is φ = 775454400.

The previous prime is 1163485747. The next prime is 1163485777. The reversal of 1163485773 is 3775843611.

1163485773 is a `hidden beast` number, since 1 + 1 + 634 + 8 + 5 + 7 + 7 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 320338404 + 843147369 = 17898^2 + 29037^2 .

It is not a de Polignac number, because 1163485773 - 2¹⁸ = 1163223629 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163485777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24873 + ... + 54273.

It is an arithmetic number, because the mean of its divisors is an integer number (140085829).

Almost surely, 2^1163485773 is an apocalyptic number.

It is an amenable number.

1163485773 is a deficient number, since it is larger than the sum of its proper divisors (517544175).

1163485773 is a wasteful number, since it uses less digits than its factorization.

1163485773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33804 (or 33801 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1163485773 is about 34109.9072558106. The cubic root of 1163485773 is about 1051.7689826668.

The spelling of 1163485773 in words is "one billion, one hundred sixty-three million, four hundred eighty-five thousand, seven hundred seventy-three".