5660404666 has 8 divisors (see below), whose sum is σ = 9703550880. Its totient is φ = 2425887708.

The previous prime is 5660404637. The next prime is 5660404679. The reversal of 5660404666 is 6664040665.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 202157296 + ... + 202157323.

It is an arithmetic number, because the mean of its divisors is an integer number (1212943860).

Almost surely, 2^5660404666 is an apocalyptic number.

5660404666 is a deficient number, since it is larger than the sum of its proper divisors (4043146214).

5660404666 is a wasteful number, since it uses less digits than its factorization.

5660404666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404314628.

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 5660404666 is about 75235.6608663737. The cubic root of 5660404666 is about 1782.1701286949.

The spelling of 5660404666 in words is "five billion, six hundred sixty million, four hundred four thousand, six hundred sixty-six".