3898443279168 has 168 divisors, whose sum is σ = 11617598304000. Its totient is φ = 1248365454336.

The previous prime is 3898443279163. The next prime is 3898443279193. The reversal of 3898443279168 is 8619723448983.

3898443279168 is a `hidden beast` number, since 3 + 8 + 98 + 443 + 2 + 7 + 91 + 6 + 8 = 666.

3898443279168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 3898443279096 and 3898443279105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898443279163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2737705 + ... + 3910487.

Almost surely, 2^{3898443279168} 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 3898443279168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5808799152000).

3898443279168 is an abundant number, since it is smaller than the sum of its proper divisors (7719155024832).

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

3898443279168 is a wasteful number, since it uses less digits than its factorization.

3898443279168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173029 (or 1173016 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 3898443279168 in words is "three trillion, eight hundred ninety-eight billion, four hundred forty-three million, two hundred seventy-nine thousand, one hundred sixty-eight".