5661022605 has 32 divisors (see below), whose sum is σ = 10371477504. Its totient is φ = 2582922816.

The previous prime is 5661022597. The next prime is 5661022639. The reversal of 5661022605 is 5062201665.

It is a happy number.

It is not a de Polignac number, because 5661022605 - 2³ = 5661022597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3372 + ... + 106458.

It is an arithmetic number, because the mean of its divisors is an integer number (324108672).

Almost surely, 2^5661022605 is an apocalyptic number.

It is an amenable number.

5661022605 is a deficient number, since it is larger than the sum of its proper divisors (4710454899).

5661022605 is a wasteful number, since it uses less digits than its factorization.

5661022605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103625.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 5661022605 is about 75239.7674438192. The cubic root of 5661022605 is about 1782.2349787319.

The spelling of 5661022605 in words is "five billion, six hundred sixty-one million, twenty-two thousand, six hundred five".