108218128361 has 16 divisors (see below), whose sum is σ = 125972444160. Its totient is φ = 91048972560.

The previous prime is 108218128351. The next prime is 108218128367. The reversal of 108218128361 is 163821812801.

It is not a de Polignac number, because 108218128361 - 2³⁰ = 107144386537 is a prime.

It is a super-2 number, since 2×108218128361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108218128367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366791 + ... + 592428.

It is an arithmetic number, because the mean of its divisors is an integer number (7873277760).

Almost surely, 2^108218128361 is an apocalyptic number.

It is an amenable number.

108218128361 is a deficient number, since it is larger than the sum of its proper divisors (17754315799).

108218128361 is an equidigital number, since it uses as much as digits as its factorization.

108218128361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959524.

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 108218128361 in words is "one hundred eight billion, two hundred eighteen million, one hundred twenty-eight thousand, three hundred sixty-one".