5865455566 has 12 divisors (see below), whose sum is σ = 9346168008. Its totient is φ = 2760214112.

The previous prime is 5865455539. The next prime is 5865455573. The reversal of 5865455566 is 6655545685.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5073346 + ... + 5074501.

It is an arithmetic number, because the mean of its divisors is an integer number (778847334).

Almost surely, 2^5865455566 is an apocalyptic number.

5865455566 is a deficient number, since it is larger than the sum of its proper divisors (3480712442).

5865455566 is a wasteful number, since it uses less digits than its factorization.

5865455566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147883 (or 10147866 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 55.

The square root of 5865455566 is about 76586.2622537489. The cubic root of 5865455566 is about 1803.4353699502.

The spelling of 5865455566 in words is "five billion, eight hundred sixty-five million, four hundred fifty-five thousand, five hundred sixty-six".