4231841666 has 8 divisors (see below), whose sum is σ = 6836051964. Its totient is φ = 1953157680.

The previous prime is 4231841639. The next prime is 4231841681. The reversal of 4231841666 is 6661481324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4213957225 + 17884441 = 64915^2 + 4229^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81381545 + ... + 81381596.

Almost surely, 2^4231841666 is an apocalyptic number.

4231841666 is a deficient number, since it is larger than the sum of its proper divisors (2604210298).

4231841666 is a wasteful number, since it uses less digits than its factorization.

4231841666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162763156.

The product of its digits is 165888, while the sum is 41.

The square root of 4231841666 is about 65052.6069116373. The cubic root of 4231841666 is about 1617.4957072476.

The spelling of 4231841666 in words is "four billion, two hundred thirty-one million, eight hundred forty-one thousand, six hundred sixty-six".