30663664 has 20 divisors (see below), whose sum is σ = 59549760. Its totient is φ = 15296000.

The previous prime is 30663653. The next prime is 30663673. The reversal of 30663664 is 46636603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5664 + ... + 9664.

It is an arithmetic number, because the mean of its divisors is an integer number (2977488).

Almost surely, 2^30663664 is an apocalyptic number.

It is an amenable number.

30663664 is a deficient number, since it is larger than the sum of its proper divisors (28886096).

30663664 is a wasteful number, since it uses less digits than its factorization.

30663664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 30663664 is about 5537.4781263676. The cubic root of 30663664 is about 312.9978462427.

The spelling of 30663664 in words is "thirty million, six hundred sixty-three thousand, six hundred sixty-four".