30516664 has 8 divisors (see below), whose sum is σ = 57218760. Its totient is φ = 15258328.

The previous prime is 30516659. The next prime is 30516727. The reversal of 30516664 is 46661503.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907284 + ... + 1907299.

It is an arithmetic number, because the mean of its divisors is an integer number (7152345).

Almost surely, 2^30516664 is an apocalyptic number.

It is an amenable number.

30516664 is a deficient number, since it is larger than the sum of its proper divisors (26702096).

30516664 is a wasteful number, since it uses less digits than its factorization.

30516664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814589 (or 3814585 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 30516664 is about 5524.1889902501. The cubic root of 30516664 is about 312.4968797555.

The spelling of 30516664 in words is "thirty million, five hundred sixteen thousand, six hundred sixty-four".