1663843112 has 16 divisors (see below), whose sum is σ = 3123144000. Its totient is φ = 831004720.

The previous prime is 1663843109. The next prime is 1663843117. The reversal of 1663843112 is 2113483661.

It is not an unprimeable number, because it can be changed into a prime (1663843117) 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, 106862 + ... + 121437.

It is an arithmetic number, because the mean of its divisors is an integer number (195196500).

Almost surely, 2^1663843112 is an apocalyptic number.

It is an amenable number.

1663843112 is a deficient number, since it is larger than the sum of its proper divisors (1459300888).

1663843112 is a wasteful number, since it uses less digits than its factorization.

1663843112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229216 (or 229212 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1663843112 is about 40790.2330466498. The cubic root of 1663843112 is about 1184.9611841986.

The spelling of 1663843112 in words is "one billion, six hundred sixty-three million, eight hundred forty-three thousand, one hundred twelve".