666070241 has 16 divisors (see below), whose sum is σ = 685231488. Its totient is φ = 647270400.

The previous prime is 666070219. The next prime is 666070243. The reversal of 666070241 is 142070666.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666070241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666070198 and 666070207.

It is not an unprimeable number, because it can be changed into a prime (666070243) 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 15 ways as a sum of consecutive naturals, for example, 2591585 + ... + 2591841.

It is an arithmetic number, because the mean of its divisors is an integer number (42826968).

Almost surely, 2^666070241 is an apocalyptic number.

It is an amenable number.

666070241 is a deficient number, since it is larger than the sum of its proper divisors (19161247).

666070241 is a wasteful number, since it uses less digits than its factorization.

666070241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 666070241 is about 25808.3366569797. The cubic root of 666070241 is about 873.3198741038.

The spelling of 666070241 in words is "six hundred sixty-six million, seventy thousand, two hundred forty-one".