1163206326 has 32 divisors (see below), whose sum is σ = 2409976800. Its totient is φ = 374021120.

The previous prime is 1163206321. The next prime is 1163206379. The reversal of 1163206326 is 6236023611.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1163206293 and 1163206302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163206321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671 + ... + 48458.

It is an arithmetic number, because the mean of its divisors is an integer number (75311775).

Almost surely, 2^1163206326 is an apocalyptic number.

1163206326 is an abundant number, since it is smaller than the sum of its proper divisors (1246770474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163206326 is a wasteful number, since it uses less digits than its factorization.

1163206326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53264.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1163206326 is about 34105.8107365886. The cubic root of 1163206326 is about 1051.6847710022.

Adding to 1163206326 its reverse (6236023611), we get a palindrome (7399229937).

The spelling of 1163206326 in words is "one billion, one hundred sixty-three million, two hundred six thousand, three hundred twenty-six".