108206161 has 12 divisors (see below), whose sum is σ = 126126180. Its totient is φ = 92561280.

The previous prime is 108206143. The next prime is 108206179. The reversal of 108206161 is 161602801.

It is an interprime number because it is at equal distance from previous prime (108206143) and next prime (108206179).

It can be written as a sum of positive squares in 2 ways, for example, as 41473600 + 66732561 = 6440^2 + 8169^2 .

It is not a de Polignac number, because 108206161 - 2⁵ = 108206129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108206561) 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, 25941 + ... + 29821.

It is an arithmetic number, because the mean of its divisors is an integer number (10510515).

Almost surely, 2^108206161 is an apocalyptic number.

It is an amenable number.

108206161 is a deficient number, since it is larger than the sum of its proper divisors (17920019).

108206161 is an equidigital number, since it uses as much as digits as its factorization.

108206161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 108206161 is about 10402.2190421083. The cubic root of 108206161 is about 476.5231416769.

Adding to 108206161 its reverse (161602801), we get a palindrome (269808962).

The spelling of 108206161 in words is "one hundred eight million, two hundred six thousand, one hundred sixty-one".