1163536 has 30 divisors (see below), whose sum is σ = 2482046. Its totient is φ = 528000.

The previous prime is 1163521. The next prime is 1163543. The reversal of 1163536 is 6353611.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 48400 = 1056^2 + 220^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1163536.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1636 + ... + 2236.

2^1163536 is an apocalyptic number.

1163536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241023).

1163536 is an abundant number, since it is smaller than the sum of its proper divisors (1318510).

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

1163536 is a wasteful number, since it uses less digits than its factorization.

1163536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 614 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 1163536 is about 1078.6732591476. The cubic root of 1163536 is about 105.1784117200.

It can be divided in two parts, 11 and 63536, that multiplied together give a palindrome (698896).

The spelling of 1163536 in words is "one million, one hundred sixty-three thousand, five hundred thirty-six".