5666660616 has 64 divisors (see below), whose sum is σ = 14343436800. Its totient is φ = 1865369088.

The previous prime is 5666660563. The next prime is 5666660663. The reversal of 5666660616 is 6160666665.

It is a super-3 number, since 3×5666660616³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3346266 + ... + 3347958.

It is an arithmetic number, because the mean of its divisors is an integer number (224116200).

Almost surely, 2^5666660616 is an apocalyptic number.

It is an amenable number.

5666660616 is an abundant number, since it is smaller than the sum of its proper divisors (8676776184).

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

5666660616 is a wasteful number, since it uses less digits than its factorization.

5666660616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The square root of 5666660616 is about 75277.2250816939. The cubic root of 5666660616 is about 1782.8264458663.

The spelling of 5666660616 in words is "five billion, six hundred sixty-six million, six hundred sixty thousand, six hundred sixteen".