2160225566 has 4 divisors (see below), whose sum is σ = 3240338352. Its totient is φ = 1080112782.

The previous prime is 2160225553. The next prime is 2160225601. The reversal of 2160225566 is 6655220612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540056390 + ... + 540056393.

It is an arithmetic number, because the mean of its divisors is an integer number (810084588).

Almost surely, 2^2160225566 is an apocalyptic number.

2160225566 is a deficient number, since it is larger than the sum of its proper divisors (1080112786).

2160225566 is a wasteful number, since it uses less digits than its factorization.

2160225566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080112785.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2160225566 is about 46478.2267949198. The cubic root of 2160225566 is about 1292.7058094173.

The spelling of 2160225566 in words is "two billion, one hundred sixty million, two hundred twenty-five thousand, five hundred sixty-six".