5618006605 has 8 divisors (see below), whose sum is σ = 6803458200. Its totient is φ = 4453171776.

The previous prime is 5618006599. The next prime is 5618006623. The reversal of 5618006605 is 5066008165.

It can be written as a sum of positive squares in 4 ways, for example, as 273373156 + 5344633449 = 16534^2 + 73107^2 .

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 5618006605 - 2⁷ = 5618006477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153590 + ... + 5154679.

It is an arithmetic number, because the mean of its divisors is an integer number (850432275).

Almost surely, 2^5618006605 is an apocalyptic number.

It is an amenable number.

5618006605 is a deficient number, since it is larger than the sum of its proper divisors (1185451595).

5618006605 is a wasteful number, since it uses less digits than its factorization.

5618006605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308383.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5618006605 is about 74953.3628665185. The cubic root of 5618006605 is about 1777.7093166699.

The spelling of 5618006605 in words is "five billion, six hundred eighteen million, six thousand, six hundred five".