8010666641 has 4 divisors (see below), whose sum is σ = 8010888192. Its totient is φ = 8010445092.

The previous prime is 8010666623. The next prime is 8010666647. The reversal of 8010666641 is 1466660108.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8010666641 - 2¹⁸ = 8010404497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8010666595 and 8010666604.

It is not an unprimeable number, because it can be changed into a prime (8010666647) by changing a digit.

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, 42521 + ... + 133526.

It is an arithmetic number, because the mean of its divisors is an integer number (2002722048).

Almost surely, 2^8010666641 is an apocalyptic number.

It is an amenable number.

8010666641 is a deficient number, since it is larger than the sum of its proper divisors (221551).

8010666641 is a wasteful number, since it uses less digits than its factorization.

8010666641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221550.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8010666641 is about 89502.3275730861. The cubic root of 8010666641 is about 2000.8884919825. Note that the first 3 decimals are identical.

The spelling of 8010666641 in words is "eight billion, ten million, six hundred sixty-six thousand, six hundred forty-one".