5606661 has 8 divisors (see below), whose sum is σ = 7487584. Its totient is φ = 3731760.

The previous prime is 5606621. The next prime is 5606681. The reversal of 5606661 is 1666065.

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

It is not a de Polignac number, because 5606661 - 2⁷ = 5606533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5606621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (935948).

Almost surely, 2^5606661 is an apocalyptic number.

It is an amenable number.

5606661 is a deficient number, since it is larger than the sum of its proper divisors (1880923).

5606661 is a wasteful number, since it uses less digits than its factorization.

5606661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 5606661 is about 2367.8388881003. The cubic root of 5606661 is about 177.6511811240.

The spelling of 5606661 in words is "five million, six hundred six thousand, six hundred sixty-one".