2130247566 has 16 divisors (see below), whose sum is σ = 4733883600. Its totient is φ = 710082504.

The previous prime is 2130247549. The next prime is 2130247579. The reversal of 2130247566 is 6657420312.

2130247566 is a `hidden beast` number, since 21 + 30 + 2 + 47 + 566 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130247566.

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 7 ways as a sum of consecutive naturals, for example, 19724461 + ... + 19724568.

It is an arithmetic number, because the mean of its divisors is an integer number (295867725).

Almost surely, 2^2130247566 is an apocalyptic number.

2130247566 is an abundant number, since it is smaller than the sum of its proper divisors (2603636034).

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

2130247566 is a wasteful number, since it uses less digits than its factorization.

2130247566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39449040 (or 39449034 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2130247566 is about 46154.6050356841. The cubic root of 2130247566 is about 1286.6981975533.

Adding to 2130247566 its reverse (6657420312), we get a palindrome (8787667878).

The spelling of 2130247566 in words is "two billion, one hundred thirty million, two hundred forty-seven thousand, five hundred sixty-six".