8161220108483 has 12 divisors (see below), whose sum is σ = 8791094371920. Its totient is φ = 7531644453792.

The previous prime is 8161220108453. The next prime is 8161220108497. The reversal of 8161220108483 is 3848010221618.

It is not a de Polignac number, because 8161220108483 - 2²⁸ = 8160951673027 is a prime.

It is a super-2 number, since 2×8161220108483² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8161220108443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 923523941 + ... + 923532777.

It is an arithmetic number, because the mean of its divisors is an integer number (732591197660).

Almost surely, 2^{8161220108483} is an apocalyptic number.

8161220108483 is a deficient number, since it is larger than the sum of its proper divisors (629874263437).

8161220108483 is an frugal number, since it uses more digits than its factorization.

8161220108483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25726 (or 16889 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 8161220108483 in words is "eight trillion, one hundred sixty-one billion, two hundred twenty million, one hundred eight thousand, four hundred eighty-three".