2268381166 has 8 divisors (see below), whose sum is σ = 3512332224. Its totient is φ = 1097603760.

The previous prime is 2268381161. The next prime is 2268381169. The reversal of 2268381166 is 6611838622.

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

It is a super-2 number, since 2×2268381166² = 10291106228527039112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268381161) 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, 18293335 + ... + 18293458.

It is an arithmetic number, because the mean of its divisors is an integer number (439041528).

Almost surely, 2^2268381166 is an apocalyptic number.

2268381166 is a deficient number, since it is larger than the sum of its proper divisors (1243951058).

2268381166 is a wasteful number, since it uses less digits than its factorization.

2268381166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36586826.

The product of its digits is 165888, while the sum is 43.

The square root of 2268381166 is about 47627.5252978779. The cubic root of 2268381166 is about 1313.9293411852.

The spelling of 2268381166 in words is "two billion, two hundred sixty-eight million, three hundred eighty-one thousand, one hundred sixty-six".