16108161 has 4 divisors (see below), whose sum is σ = 21477552. Its totient is φ = 10738772.

The previous prime is 16108151. The next prime is 16108171. The reversal of 16108161 is 16180161.

16108161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16180161 = 3 ⋅5393387.

It is an interprime number because it is at equal distance from previous prime (16108151) and next prime (16108171).

It is a cyclic number.

It is not a de Polignac number, because 16108161 - 2⁶ = 16108097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16108151) 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, 2684691 + ... + 2684696.

It is an arithmetic number, because the mean of its divisors is an integer number (5369388).

Almost surely, 2^16108161 is an apocalyptic number.

It is an amenable number.

16108161 is a deficient number, since it is larger than the sum of its proper divisors (5369391).

16108161 is an equidigital number, since it uses as much as digits as its factorization.

16108161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369390.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 16108161 is about 4013.4973526838. The cubic root of 16108161 is about 252.5507449558.

The spelling of 16108161 in words is "sixteen million, one hundred eight thousand, one hundred sixty-one".