663032016 has 30 divisors (see below), whose sum is σ = 1855569170. Its totient is φ = 221010624.

The previous prime is 663031991. The next prime is 663032059. The reversal of 663032016 is 610230366.

663032016 is a `hidden beast` number, since 6 + 630 + 3 + 20 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 662547600 + 484416 = 25740^2 + 696^2 .

It is a super-2 number, since 2×663032016² = 879222908482048512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2302051 + ... + 2302338.

Almost surely, 2^663032016 is an apocalyptic number.

It is an amenable number.

663032016 is an abundant number, since it is smaller than the sum of its proper divisors (1192537154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663032016 is a wasteful number, since it uses less digits than its factorization.

663032016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604403 (or 4604394 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 663032016 is about 25749.4080708664. The cubic root of 663032016 is about 871.9899909072.

The spelling of 663032016 in words is "six hundred sixty-three million, thirty-two thousand, sixteen".