2130645566 has 8 divisors (see below), whose sum is σ = 3652535280. Its totient is φ = 913133808.

The previous prime is 2130645557. The next prime is 2130645613. The reversal of 2130645566 is 6655460312.

It is a happy number.

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, 76094471 + ... + 76094498.

It is an arithmetic number, because the mean of its divisors is an integer number (456566910).

Almost surely, 2^2130645566 is an apocalyptic number.

2130645566 is a deficient number, since it is larger than the sum of its proper divisors (1521889714).

2130645566 is a wasteful number, since it uses less digits than its factorization.

2130645566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152188978.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2130645566 is about 46158.9164300896. The cubic root of 2130645566 is about 1286.7783250154.

The spelling of 2130645566 in words is "two billion, one hundred thirty million, six hundred forty-five thousand, five hundred sixty-six".