384291113866 has 16 divisors (see below), whose sum is σ = 642219580800. Its totient is φ = 170961230080.

The previous prime is 384291113861. The next prime is 384291113873. The reversal of 384291113866 is 668311192483.

It is a super-3 number, since 3×384291113866³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (384291113861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185826391 + ... + 185828458.

It is an arithmetic number, because the mean of its divisors is an integer number (40138723800).

Almost surely, 2^384291113866 is an apocalyptic number.

384291113866 is a deficient number, since it is larger than the sum of its proper divisors (257928466934).

384291113866 is a wasteful number, since it uses less digits than its factorization.

384291113866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371654909.

The product of its digits is 1492992, while the sum is 52.

The spelling of 384291113866 in words is "three hundred eighty-four billion, two hundred ninety-one million, one hundred thirteen thousand, eight hundred sixty-six".