2168430074 has 16 divisors (see below), whose sum is σ = 3307559136. Its totient is φ = 1065927600.

The previous prime is 2168430071. The next prime is 2168430097. The reversal of 2168430074 is 4700348612.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2168430071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430229 + ... + 435239.

It is an arithmetic number, because the mean of its divisors is an integer number (206722446).

Almost surely, 2^2168430074 is an apocalyptic number.

2168430074 is a deficient number, since it is larger than the sum of its proper divisors (1139129062).

2168430074 is a wasteful number, since it uses less digits than its factorization.

2168430074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2168430074 is about 46566.4049932996. The cubic root of 2168430074 is about 1294.3403017304.

Adding to 2168430074 its reverse (4700348612), we get a palindrome (6868778686).

The spelling of 2168430074 in words is "two billion, one hundred sixty-eight million, four hundred thirty thousand, seventy-four".