1163522028 has 12 divisors (see below), whose sum is σ = 2714884760. Its totient is φ = 387840672.

The previous prime is 1163522023. The next prime is 1163522051. The reversal of 1163522028 is 8202253611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1163521986 and 1163522004.

It is not an unprimeable number, because it can be changed into a prime (1163522023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48480073 + ... + 48480096.

Almost surely, 2^1163522028 is an apocalyptic number.

It is an amenable number.

1163522028 is an abundant number, since it is smaller than the sum of its proper divisors (1551362732).

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

1163522028 is a wasteful number, since it uses less digits than its factorization.

1163522028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96960176 (or 96960174 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1163522028 is about 34110.4386955079. The cubic root of 1163522028 is about 1051.7799071632.

Adding to 1163522028 its reverse (8202253611), we get a palindrome (9365775639).

The spelling of 1163522028 in words is "one billion, one hundred sixty-three million, five hundred twenty-two thousand, twenty-eight".