381112668768 has 48 divisors (see below), whose sum is σ = 1077376201776. Its totient is φ = 117265436160.

The previous prime is 381112668751. The next prime is 381112668787. The reversal of 381112668768 is 867866211183.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 152688123 + ... + 152690618.

It is an arithmetic number, because the mean of its divisors is an integer number (22445337537).

Almost surely, 2^381112668768 is an apocalyptic number.

It is an amenable number.

381112668768 is an abundant number, since it is smaller than the sum of its proper divisors (696263533008).

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

381112668768 is a wasteful number, since it uses less digits than its factorization.

381112668768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305378767 (or 305378759 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The spelling of 381112668768 in words is "three hundred eighty-one billion, one hundred twelve million, six hundred sixty-eight thousand, seven hundred sixty-eight".