5666722338 has 8 divisors (see below), whose sum is σ = 11333444688. Its totient is φ = 1888907444.

The previous prime is 5666722337. The next prime is 5666722339. The reversal of 5666722338 is 8332276665.

It is an interprime number because it is at equal distance from previous prime (5666722337) and next prime (5666722339).

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

5666722338 is an admirable number.

It is a super-2 number, since 2×5666722338² = 64223484111976372488, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5666722331) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 472226856 + ... + 472226867.

It is an arithmetic number, because the mean of its divisors is an integer number (1416680586).

Almost surely, 2^5666722338 is an apocalyptic number.

5666722338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5666722338 is a wasteful number, since it uses less digits than its factorization.

5666722338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944453728.

The product of its digits is 2177280, while the sum is 48.

The square root of 5666722338 is about 75277.6350452111. The cubic root of 5666722338 is about 1782.8329187682.

The spelling of 5666722338 in words is "five billion, six hundred sixty-six million, seven hundred twenty-two thousand, three hundred thirty-eight".