2116566226 has 8 divisors (see below), whose sum is σ = 3175575984. Its totient is φ = 1058040900.

The previous prime is 2116566203. The next prime is 2116566229. The reversal of 2116566226 is 6226656112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2116566229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109980 + ... + 127783.

It is an arithmetic number, because the mean of its divisors is an integer number (396946998).

Almost surely, 2^2116566226 is an apocalyptic number.

2116566226 is a deficient number, since it is larger than the sum of its proper divisors (1059009758).

2116566226 is a wasteful number, since it uses less digits than its factorization.

2116566226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242216.

The product of its digits is 51840, while the sum is 37.

The square root of 2116566226 is about 46006.1542187564. The cubic root of 2116566226 is about 1283.9377082612.

The spelling of 2116566226 in words is "two billion, one hundred sixteen million, five hundred sixty-six thousand, two hundred twenty-six".