5601641605 has 64 divisors (see below), whose sum is σ = 8404881408. Its totient is φ = 3500259840.

The previous prime is 5601641599. The next prime is 5601641621. The reversal of 5601641605 is 5061461065.

It is a happy number.

It is not a de Polignac number, because 5601641605 - 2⁷ = 5601641477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1417242 + ... + 1421188.

It is an arithmetic number, because the mean of its divisors is an integer number (131326272).

Almost surely, 2^5601641605 is an apocalyptic number.

It is an amenable number.

5601641605 is a deficient number, since it is larger than the sum of its proper divisors (2803239803).

5601641605 is a wasteful number, since it uses less digits than its factorization.

5601641605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5601641605 is about 74844.1153665403. The cubic root of 5601641605 is about 1775.9815088714.

The spelling of 5601641605 in words is "five billion, six hundred one million, six hundred forty-one thousand, six hundred five".