5610661 has 8 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 4797168.

The previous prime is 5610653. The next prime is 5610677. The reversal of 5610661 is 1660165.

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

It is a cyclic number.

It is not a de Polignac number, because 5610661 - 2³ = 5610653 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 (5610611) 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, 3180 + ... + 4618.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^5610661 is an apocalyptic number.

It is an amenable number.

5610661 is a deficient number, since it is larger than the sum of its proper divisors (817499).

5610661 is a wasteful number, since it uses less digits than its factorization.

5610661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 5610661 is about 2368.6833895648. The cubic root of 5610661 is about 177.6934187292.

The spelling of 5610661 in words is "five million, six hundred ten thousand, six hundred sixty-one".