1100163243 has 16 divisors (see below), whose sum is σ = 1509824000. Its totient is φ = 712277280.

The previous prime is 1100163221. The next prime is 1100163271. The reversal of 1100163243 is 3423610011.

It is not a de Polignac number, because 1100163243 - 2¹⁶ = 1100097707 is a prime.

It is a super-2 number, since 2×1100163243² = 2420718322496554098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100163203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23593 + ... + 52506.

It is an arithmetic number, because the mean of its divisors is an integer number (94364000).

Almost surely, 2^1100163243 is an apocalyptic number.

1100163243 is a deficient number, since it is larger than the sum of its proper divisors (409660757).

1100163243 is an equidigital number, since it uses as much as digits as its factorization.

1100163243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76242.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1100163243 is about 33168.7087930779. The cubic root of 1100163243 is about 1032.3311773254.

Adding to 1100163243 its reverse (3423610011), we get a palindrome (4523773254).

The spelling of 1100163243 in words is "one billion, one hundred million, one hundred sixty-three thousand, two hundred forty-three".