385243467666 has 8 divisors (see below), whose sum is σ = 770486935344. Its totient is φ = 128414489220.

The previous prime is 385243467647. The next prime is 385243467671. The reversal of 385243467666 is 666764342583.

385243467666 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

385243467666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32103622300 + ... + 32103622311.

It is an arithmetic number, because the mean of its divisors is an integer number (96310866918).

Almost surely, 2^385243467666 is an apocalyptic number.

385243467666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385243467666 is a wasteful number, since it uses less digits than its factorization.

385243467666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64207244616.

The product of its digits is 104509440, while the sum is 60.

The spelling of 385243467666 in words is "three hundred eighty-five billion, two hundred forty-three million, four hundred sixty-seven thousand, six hundred sixty-six".