5565001605 has 16 divisors (see below), whose sum is σ = 8912816640. Its totient is φ = 2965062848.

The previous prime is 5565001597. The next prime is 5565001619. The reversal of 5565001605 is 5061005655.

It is a cyclic number.

It is not a de Polignac number, because 5565001605 - 2³ = 5565001597 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167925 + ... + 198314.

It is an arithmetic number, because the mean of its divisors is an integer number (557051040).

Almost surely, 2^5565001605 is an apocalyptic number.

It is an amenable number.

5565001605 is a deficient number, since it is larger than the sum of its proper divisors (3347815035).

5565001605 is a wasteful number, since it uses less digits than its factorization.

5565001605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367260.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 5565001605 is about 74598.9383637596. The cubic root of 5565001605 is about 1772.1008394674.

The spelling of 5565001605 in words is "five billion, five hundred sixty-five million, one thousand, six hundred five".