1663404104 has 16 divisors (see below), whose sum is σ = 3141322800. Its totient is φ = 825718032.

The previous prime is 1663404101. The next prime is 1663404133. The reversal of 1663404104 is 4014043661.

It is not an unprimeable number, because it can be changed into a prime (1663404101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746822 + ... + 749045.

It is an arithmetic number, because the mean of its divisors is an integer number (196332675).

Almost surely, 2^1663404104 is an apocalyptic number.

It is an amenable number.

1663404104 is a deficient number, since it is larger than the sum of its proper divisors (1477918696).

1663404104 is a wasteful number, since it uses less digits than its factorization.

1663404104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496012 (or 1496008 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1663404104 is about 40784.8514034316. The cubic root of 1663404104 is about 1184.8569569841.

Adding to 1663404104 its reverse (4014043661), we get a palindrome (5677447765).

The spelling of 1663404104 in words is "one billion, six hundred sixty-three million, four hundred four thousand, one hundred four".