1663245033 has 16 divisors (see below), whose sum is σ = 2297004480. Its totient is φ = 1069253696.

The previous prime is 1663245029. The next prime is 1663245107. The reversal of 1663245033 is 3305423661.

It is a cyclic number.

It is not a de Polignac number, because 1663245033 - 2² = 1663245029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1663244985 and 1663245003.

It is not an unprimeable number, because it can be changed into a prime (1663245733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60391 + ... + 83507.

It is an arithmetic number, because the mean of its divisors is an integer number (143562780).

Almost surely, 2^1663245033 is an apocalyptic number.

It is an amenable number.

1663245033 is a deficient number, since it is larger than the sum of its proper divisors (633759447).

1663245033 is a wasteful number, since it uses less digits than its factorization.

1663245033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 1663245033 is about 40782.9012332374. The cubic root of 1663245033 is about 1184.8191865692.

Adding to 1663245033 its reverse (3305423661), we get a palindrome (4968668694).

The spelling of 1663245033 in words is "one billion, six hundred sixty-three million, two hundred forty-five thousand, thirty-three".