108994161 has 4 divisors (see below), whose sum is σ = 145325552. Its totient is φ = 72662772.

The previous prime is 108994141. The next prime is 108994163. The reversal of 108994161 is 161499801.

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.

It is not a de Polignac number, because 108994161 - 2⁶ = 108994097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108994163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18165691 + ... + 18165696.

It is an arithmetic number, because the mean of its divisors is an integer number (36331388).

Almost surely, 2^108994161 is an apocalyptic number.

It is an amenable number.

108994161 is a deficient number, since it is larger than the sum of its proper divisors (36331391).

108994161 is an equidigital number, since it uses as much as digits as its factorization.

108994161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36331390.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 108994161 is about 10440.0268677815. The cubic root of 108994161 is about 477.6770882682.

The spelling of 108994161 in words is "one hundred eight million, nine hundred ninety-four thousand, one hundred sixty-one".