4161543743446 has 4 divisors (see below), whose sum is σ = 6242315615172. Its totient is φ = 2080771871722.

The previous prime is 4161543743437. The next prime is 4161543743449. The reversal of 4161543743446 is 6443473451614.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4161543743446² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4161543743393 and 4161543743402.

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 as a sum of consecutive naturals, namely, 1040385935860 + ... + 1040385935863.

It is an arithmetic number, because the mean of its divisors is an integer number (1560578903793).

Almost surely, 2^{4161543743446} is an apocalyptic number.

4161543743446 is a deficient number, since it is larger than the sum of its proper divisors (2080771871726).

4161543743446 is a wasteful number, since it uses less digits than its factorization.

4161543743446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080771871725.

The product of its digits is 11612160, while the sum is 52.

The spelling of 4161543743446 in words is "four trillion, one hundred sixty-one billion, five hundred forty-three million, seven hundred forty-three thousand, four hundred forty-six".