6566830540 has 24 divisors (see below), whose sum is σ = 14516152560. Its totient is φ = 2488483008.

The previous prime is 6566830531. The next prime is 6566830547. The reversal of 6566830540 is 450386656.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6566830547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8640187 + ... + 8640946.

It is an arithmetic number, because the mean of its divisors is an integer number (604839690).

Almost surely, 2^6566830540 is an apocalyptic number.

It is an amenable number.

6566830540 is an abundant number, since it is smaller than the sum of its proper divisors (7949322020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566830540 is a wasteful number, since it uses less digits than its factorization.

6566830540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17281161 (or 17281159 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 6566830540 is about 81035.9829952102. The cubic root of 6566830540 is about 1872.6298267147.

The spelling of 6566830540 in words is "six billion, five hundred sixty-six million, eight hundred thirty thousand, five hundred forty".