5409866566 has 8 divisors (see below), whose sum is σ = 8739015264. Its totient is φ = 2496861480.

The previous prime is 5409866537. The next prime is 5409866573. The reversal of 5409866566 is 6656689045.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104035870 + ... + 104035921.

It is an arithmetic number, because the mean of its divisors is an integer number (1092376908).

Almost surely, 2^5409866566 is an apocalyptic number.

5409866566 is a deficient number, since it is larger than the sum of its proper divisors (3329148698).

5409866566 is a wasteful number, since it uses less digits than its factorization.

5409866566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208071806.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The square root of 5409866566 is about 73551.7951242524. The cubic root of 5409866566 is about 1755.4785118459.

The spelling of 5409866566 in words is "five billion, four hundred nine million, eight hundred sixty-six thousand, five hundred sixty-six".