663066330 has 16 divisors (see below), whose sum is σ = 1591359264. Its totient is φ = 176817680.

The previous prime is 663066277. The next prime is 663066331. The reversal of 663066330 is 33660366.

It is a junction number, because it is equal to n+sod(n) for n = 663066291 and 663066300.

It is not an unprimeable number, because it can be changed into a prime (663066331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11051076 + ... + 11051135.

It is an arithmetic number, because the mean of its divisors is an integer number (99459954).

Almost surely, 2^663066330 is an apocalyptic number.

663066330 is an abundant number, since it is smaller than the sum of its proper divisors (928292934).

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

663066330 is a wasteful number, since it uses less digits than its factorization.

663066330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102221.

The product of its (nonzero) digits is 34992, while the sum is 33.

The square root of 663066330 is about 25750.0743688246. The cubic root of 663066330 is about 872.0050333927.

The spelling of 663066330 in words is "six hundred sixty-three million, sixty-six thousand, three hundred thirty".