385273644566 has 8 divisors (see below), whose sum is σ = 577920338784. Its totient is φ = 192633531640.

The previous prime is 385273644551. The next prime is 385273644577. The reversal of 385273644566 is 665446372583.

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

It is a congruent number.

It is an unprimeable number.

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, 1496270 + ... + 1734753.

It is an arithmetic number, because the mean of its divisors is an integer number (72240042348).

Almost surely, 2^385273644566 is an apocalyptic number.

385273644566 is a deficient number, since it is larger than the sum of its proper divisors (192646694218).

385273644566 is a wasteful number, since it uses less digits than its factorization.

385273644566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290646.

The product of its digits is 87091200, while the sum is 59.

The spelling of 385273644566 in words is "three hundred eighty-five billion, two hundred seventy-three million, six hundred forty-four thousand, five hundred sixty-six".