4161522263728 has 20 divisors (see below), whose sum is σ = 8063535825280. Its totient is φ = 2080609792704.

The previous prime is 4161522263699. The next prime is 4161522263729. The reversal of 4161522263728 is 8273622251614.

4161522263728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4161522263729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9231675 + ... + 9671962.

It is an arithmetic number, because the mean of its divisors is an integer number (403176791264).

Almost surely, 2^{4161522263728} is an apocalyptic number.

It is an amenable number.

4161522263728 is a deficient number, since it is larger than the sum of its proper divisors (3902013561552).

4161522263728 is a wasteful number, since it uses less digits than its factorization.

4161522263728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917404 (or 18917398 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 4161522263728 in words is "four trillion, one hundred sixty-one billion, five hundred twenty-two million, two hundred sixty-three thousand, seven hundred twenty-eight".