6566311045 has 16 divisors (see below), whose sum is σ = 9011329920. Its totient is φ = 4499561664.

The previous prime is 6566311027. The next prime is 6566311049. The reversal of 6566311045 is 5401136656.

It is a cyclic number.

It is not a de Polignac number, because 6566311045 - 2¹⁷ = 6566179973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6566310995 and 6566311013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566311049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10575 + ... + 115084.

It is an arithmetic number, because the mean of its divisors is an integer number (563208120).

Almost surely, 2^6566311045 is an apocalyptic number.

It is an amenable number.

6566311045 is a deficient number, since it is larger than the sum of its proper divisors (2445018875).

6566311045 is a wasteful number, since it uses less digits than its factorization.

6566311045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127164.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6566311045 is about 81032.7775964764. Note that the first 3 decimals coincide. The cubic root of 6566311045 is about 1872.5804448260.

The spelling of 6566311045 in words is "six billion, five hundred sixty-six million, three hundred eleven thousand, forty-five".