4125322666 has 8 divisors (see below), whose sum is σ = 6338910564. Its totient is φ = 2012352480.

The previous prime is 4125322639. The next prime is 4125322667. The reversal of 4125322666 is 6662235214.

It can be written as a sum of positive squares in 2 ways, for example, as 3349978641 + 775344025 = 57879^2 + 27845^2 .

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

It is a super-2 number, since 2×4125322666² = 34036574197226695112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4125322667) 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, 25154325 + ... + 25154488.

Almost surely, 2^4125322666 is an apocalyptic number.

4125322666 is a deficient number, since it is larger than the sum of its proper divisors (2213587898).

4125322666 is a wasteful number, since it uses less digits than its factorization.

4125322666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50308856.

The product of its digits is 103680, while the sum is 37.

The square root of 4125322666 is about 64228.6747956082. The cubic root of 4125322666 is about 1603.8089805651.

The spelling of 4125322666 in words is "four billion, one hundred twenty-five million, three hundred twenty-two thousand, six hundred sixty-six".