1161463236 has 96 divisors (see below), whose sum is σ = 2975723520. Its totient is φ = 351216000.

The previous prime is 1161463207. The next prime is 1161463271. The reversal of 1161463236 is 6323641611.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1161463197 and 1161463206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713055 + ... + 714681.

It is an arithmetic number, because the mean of its divisors is an integer number (30997120).

Almost surely, 2^1161463236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161463236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487861760).

1161463236 is an abundant number, since it is smaller than the sum of its proper divisors (1814260284).

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

1161463236 is a wasteful number, since it uses less digits than its factorization.

1161463236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785 (or 1783 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 1161463236 is about 34080.2470061471. The cubic root of 1161463236 is about 1051.1591842062.

The spelling of 1161463236 in words is "one billion, one hundred sixty-one million, four hundred sixty-three thousand, two hundred thirty-six".