1663201132 has 6 divisors (see below), whose sum is σ = 2910601988. Its totient is φ = 831600564.

The previous prime is 1663201129. The next prime is 1663201147. The reversal of 1663201132 is 2311023661.

It is a junction number, because it is equal to n+sod(n) for n = 1663201097 and 1663201106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207900138 + ... + 207900145.

Almost surely, 2^1663201132 is an apocalyptic number.

It is an amenable number.

1663201132 is a deficient number, since it is larger than the sum of its proper divisors (1247400856).

1663201132 is a wasteful number, since it uses less digits than its factorization.

1663201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415800287 (or 415800285 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1663201132 is about 40782.3630016702. The cubic root of 1663201132 is about 1184.8087621271.

Adding to 1663201132 its reverse (2311023661), we get a palindrome (3974224793).

The spelling of 1663201132 in words is "one billion, six hundred sixty-three million, two hundred one thousand, one hundred thirty-two".