6606661384 has 16 divisors (see below), whose sum is σ = 12675571920. Its totient is φ = 3226508880.

The previous prime is 6606661331. The next prime is 6606661409. The reversal of 6606661384 is 4831666066.

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, 9602362 + ... + 9603049.

It is an arithmetic number, because the mean of its divisors is an integer number (792223245).

Almost surely, 2^6606661384 is an apocalyptic number.

It is an amenable number.

6606661384 is a deficient number, since it is larger than the sum of its proper divisors (6068910536).

6606661384 is a wasteful number, since it uses less digits than its factorization.

6606661384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19205460 (or 19205456 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 6606661384 is about 81281.3716911815. The cubic root of 6606661384 is about 1876.4083176121.

The spelling of 6606661384 in words is "six billion, six hundred six million, six hundred sixty-one thousand, three hundred eighty-four".