383684131768 has 64 divisors (see below), whose sum is σ = 866378822400. Its totient is φ = 155614867200.

The previous prime is 383684131759. The next prime is 383684131771. The reversal of 383684131768 is 867131486383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804543 + ... + 1189393.

It is an arithmetic number, because the mean of its divisors is an integer number (13537169100).

Almost surely, 2^383684131768 is an apocalyptic number.

383684131768 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383684131768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433189411200).

383684131768 is an abundant number, since it is smaller than the sum of its proper divisors (482694690632).

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

383684131768 is a wasteful number, since it uses less digits than its factorization.

383684131768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385820 (or 385816 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 58.

The spelling of 383684131768 in words is "three hundred eighty-three billion, six hundred eighty-four million, one hundred thirty-one thousand, seven hundred sixty-eight".