4127266661 has 8 divisors (see below), whose sum is σ = 4720742784. Its totient is φ = 3534757200.

The previous prime is 4127266651. The next prime is 4127266667. The reversal of 4127266661 is 1666627214.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4127266661 - 2⁶ = 4127266597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4127266667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232490 + ... + 249611.

It is an arithmetic number, because the mean of its divisors is an integer number (590092848).

Almost surely, 2^4127266661 is an apocalyptic number.

It is an amenable number.

4127266661 is a deficient number, since it is larger than the sum of its proper divisors (593476123).

4127266661 is a wasteful number, since it uses less digits than its factorization.

4127266661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483331.

The product of its digits is 145152, while the sum is 41.

The square root of 4127266661 is about 64243.8064018626. The cubic root of 4127266661 is about 1604.0608644606.

The spelling of 4127266661 in words is "four billion, one hundred twenty-seven million, two hundred sixty-six thousand, six hundred sixty-one".