1163021364 has 72 divisors (see below), whose sum is σ = 3002198472. Its totient is φ = 379514880.

The previous prime is 1163021351. The next prime is 1163021371. The reversal of 1163021364 is 4631203611.

1163021364 is a `hidden beast` number, since 1 + 1 + 630 + 21 + 3 + 6 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28005264 + 1135016100 = 5292^2 + 33690^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510532 + ... + 512804.

It is an arithmetic number, because the mean of its divisors is an integer number (41697201).

Almost surely, 2^1163021364 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 1163021364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501099236).

1163021364 is an abundant number, since it is smaller than the sum of its proper divisors (1839177108).

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

1163021364 is a wasteful number, since it uses less digits than its factorization.

1163021364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1163021364 is about 34103.0990380640. The cubic root of 1163021364 is about 1051.6290250795.

Adding to 1163021364 its reverse (4631203611), we get a palindrome (5794224975).

The spelling of 1163021364 in words is "one billion, one hundred sixty-three million, twenty-one thousand, three hundred sixty-four".