1663603112 has 16 divisors (see below), whose sum is σ = 3119847840. Its totient is φ = 831643696.

The previous prime is 1663603111. The next prime is 1663603129. The reversal of 1663603112 is 2113063661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1663603111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33503 + ... + 66705.

It is an arithmetic number, because the mean of its divisors is an integer number (194990490).

Almost surely, 2^1663603112 is an apocalyptic number.

It is an amenable number.

1663603112 is a deficient number, since it is larger than the sum of its proper divisors (1456244728).

1663603112 is a wasteful number, since it uses less digits than its factorization.

1663603112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39472 (or 39468 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1663603112 is about 40787.2910598387. The cubic root of 1663603112 is about 1184.9042067995.

Adding to 1663603112 its reverse (2113063661), we get a palindrome (3776666773).

The spelling of 1663603112 in words is "one billion, six hundred sixty-three million, six hundred three thousand, one hundred twelve".