5606666666 has 8 divisors (see below), whose sum is σ = 8418160224. Its totient is φ = 2800613260.

The previous prime is 5606666621. The next prime is 5606666677. The reversal of 5606666666 is 6666666065.

It is a happy number.

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

It is a super-2 number, since 2×5606666666² = 62869422207271111112, which contains 22 as substring.

5606666666 is a modest number, since divided by 66666 gives 56066 as remainder.

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, 1357460 + ... + 1361583.

It is an arithmetic number, because the mean of its divisors is an integer number (1052270028).

Almost surely, 2^5606666666 is an apocalyptic number.

5606666666 is a deficient number, since it is larger than the sum of its proper divisors (2811493558).

5606666666 is a wasteful number, since it uses less digits than its factorization.

5606666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720076.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The square root of 5606666666 is about 74877.6780222250. The cubic root of 5606666666 is about 1776.5124096781.

The spelling of 5606666666 in words is "five billion, six hundred six million, six hundred sixty-six thousand, six hundred sixty-six".