3841894166528 has 104 divisors (see below), whose sum is σ = 8651658694656. Its totient is φ = 1689982156800.

The previous prime is 3841894166521. The next prime is 3841894166531. The reversal of 3841894166528 is 8256614981483.

It is not an unprimeable number, because it can be changed into a prime (3841894166521) 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, 21425 + ... + 2772047.

Almost surely, 2^{3841894166528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3841894166528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4325829347328).

3841894166528 is an abundant number, since it is smaller than the sum of its proper divisors (4809764528128).

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

3841894166528 is a wasteful number, since it uses less digits than its factorization.

3841894166528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750689 (or 2750667 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 65.

The spelling of 3841894166528 in words is "three trillion, eight hundred forty-one billion, eight hundred ninety-four million, one hundred sixty-six thousand, five hundred twenty-eight".