241666645021 has 8 divisors (see below), whose sum is σ = 244052931200. Its totient is φ = 239281128432.

The previous prime is 241666645009. The next prime is 241666645027. The reversal of 241666645021 is 120546666142.

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 241666645021 - 2⁹ = 241666644509 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 (241666645027) 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 7 ways as a sum of consecutive naturals, for example, 449251 + ... + 827743.

It is an arithmetic number, because the mean of its divisors is an integer number (30506616400).

Almost surely, 2^241666645021 is an apocalyptic number.

It is an amenable number.

241666645021 is a deficient number, since it is larger than the sum of its proper divisors (2386286179).

241666645021 is a wasteful number, since it uses less digits than its factorization.

241666645021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384795.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 241666645021 in words is "two hundred forty-one billion, six hundred sixty-six million, six hundred forty-five thousand, twenty-one".