4161543743448 has 576 divisors, whose sum is σ = 14310393552000. Its totient is φ = 1089260669952.

The previous prime is 4161543743437. The next prime is 4161543743449. The reversal of 4161543743448 is 8443473451614.

4161543743448 is a `hidden beast` number, since 4 + 1 + 6 + 154 + 3 + 7 + 43 + 448 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4161543743394 and 4161543743403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161543743449) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1061887233 + ... + 1061891151.

It is an arithmetic number, because the mean of its divisors is an integer number (24844433250).

Almost surely, 2^{4161543743448} 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 4161543743448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7155196776000).

4161543743448 is an abundant number, since it is smaller than the sum of its proper divisors (10148849808552).

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

4161543743448 is a wasteful number, since it uses less digits than its factorization.

4161543743448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4081 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The spelling of 4161543743448 in words is "four trillion, one hundred sixty-one billion, five hundred forty-three million, seven hundred forty-three thousand, four hundred forty-eight".